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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:006737/0237   Pages: 8
Recorded: 10/21/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 95
1
Patent #:
4359143
Issue Dt:
11/16/1982
Application #:
06219102
Filing Dt:
12/22/1980
Title:
ELEVATOR SYSTEM
2
Patent #:
4356895
Issue Dt:
11/02/1982
Application #:
06219103
Filing Dt:
12/22/1980
Title:
ELEVATOR SYSTEM
3
Patent #:
4361208
Issue Dt:
11/30/1982
Application #:
06219206
Filing Dt:
12/22/1980
Title:
MODULAR ELEVATOR CAR
4
Patent #:
4361209
Issue Dt:
11/30/1982
Application #:
06219207
Filing Dt:
12/22/1980
Title:
ELEVATOR SYSTEM
5
Patent #:
4357997
Issue Dt:
11/09/1982
Application #:
06234074
Filing Dt:
02/12/1981
Title:
ELEVATOR SYSTEM
6
Patent #:
4355785
Issue Dt:
10/26/1982
Application #:
06237017
Filing Dt:
02/23/1981
Title:
ELECTRICALLY DRIVEN SHEAVE
7
Patent #:
4361220
Issue Dt:
11/30/1982
Application #:
06238261
Filing Dt:
02/25/1981
Title:
DRIVE CHAIN
8
Patent #:
4381851
Issue Dt:
05/03/1983
Application #:
06242753
Filing Dt:
03/11/1981
Title:
TRACK SPLICE
9
Patent #:
4425603
Issue Dt:
01/10/1984
Application #:
06282981
Filing Dt:
07/14/1981
Title:
INDIRECT LIGHT-DISTRIBUTING CEILING FIXTURES WITH ALTERNATE REFLECTOR ARRAY
10
Patent #:
4418795
Issue Dt:
12/06/1983
Application #:
06284843
Filing Dt:
07/20/1981
Title:
ELEVATOR SERVICING METHODS AND APPARATUS
11
Patent #:
4397096
Issue Dt:
08/09/1983
Application #:
06292974
Filing Dt:
08/14/1981
Title:
METHOD OF AND APPARATUS FOR POSITIONING THE DRIVE UNITS OF A PLURAL DRIVE ESCALATOR
12
Patent #:
4402488
Issue Dt:
09/06/1983
Application #:
06321157
Filing Dt:
11/13/1981
Title:
SHEAVE
13
Patent #:
4431086
Issue Dt:
02/14/1984
Application #:
06344252
Filing Dt:
01/29/1982
Title:
ELEVATOR SYSTEM
14
Patent #:
4416352
Issue Dt:
11/22/1983
Application #:
06349485
Filing Dt:
02/17/1982
Title:
ELEVATOR SYSTEM
15
Patent #:
4470497
Issue Dt:
09/11/1984
Application #:
06352678
Filing Dt:
02/26/1982
Title:
ESCALATOR
16
Patent #:
4433756
Issue Dt:
02/28/1984
Application #:
06356685
Filing Dt:
03/10/1982
Title:
ELEVATOR SYSTEM
17
Patent #:
4432439
Issue Dt:
02/21/1984
Application #:
06356688
Filing Dt:
03/10/1982
Title:
ELEVATOR SYSTEM
18
Patent #:
4436185
Issue Dt:
03/13/1984
Application #:
06370021
Filing Dt:
04/20/1982
Title:
ELEVATOR SYSTEM
19
Patent #:
4436184
Issue Dt:
03/13/1984
Application #:
06375249
Filing Dt:
05/05/1982
Title:
ELEVATOR SYSTEM
20
Patent #:
4490775
Issue Dt:
12/25/1984
Application #:
06381257
Filing Dt:
05/24/1982
Title:
UNIVERSAL PROGRAMMABLE INTERFACE
21
Patent #:
4457404
Issue Dt:
07/03/1984
Application #:
06382438
Filing Dt:
05/26/1982
Title:
ELEVATOR SYSTEM
22
Patent #:
4507607
Issue Dt:
03/26/1985
Application #:
06387301
Filing Dt:
06/10/1982
Title:
ANGULAR ACCELEROMETER
23
Patent #:
4469199
Issue Dt:
09/04/1984
Application #:
06387302
Filing Dt:
06/10/1982
Title:
ELEVATOR SYSTEM
24
Patent #:
4463833
Issue Dt:
08/07/1984
Application #:
06409687
Filing Dt:
08/19/1982
Title:
ELEVATOR SYSTEM
25
Patent #:
4440024
Issue Dt:
04/03/1984
Application #:
06411791
Filing Dt:
08/26/1982
Title:
TACHOGENERATOR
26
Patent #:
4534056
Issue Dt:
08/06/1985
Application #:
06411792
Filing Dt:
08/26/1982
Title:
VOICE-RECOGNITION ELEVATOR SECURITY SYSTEM
27
Patent #:
4463834
Issue Dt:
08/07/1984
Application #:
06417741
Filing Dt:
09/13/1982
Title:
ELEVATOR SYSTEM
28
Patent #:
4503780
Issue Dt:
03/12/1985
Application #:
06429972
Filing Dt:
09/30/1982
Title:
TABLE WITH RESILIENT EDGE
29
Patent #:
4470482
Issue Dt:
09/11/1984
Application #:
06446149
Filing Dt:
12/02/1982
Title:
SPEED PATTERN GENERATOR FOR AN ELEVATOR CAR
30
Patent #:
4473133
Issue Dt:
09/25/1984
Application #:
06447059
Filing Dt:
12/06/1982
Title:
ELEVATOR SYSTEM
31
Patent #:
4590604
Issue Dt:
05/20/1986
Application #:
06457788
Filing Dt:
01/13/1983
Title:
VOICE-RECOGNITION ELEVATOR SECURITY SYSTEM
32
Patent #:
4499973
Issue Dt:
02/19/1985
Application #:
06478440
Filing Dt:
03/24/1983
Title:
TRANSPORTATION SYSTEM
33
Patent #:
4547732
Issue Dt:
10/15/1985
Application #:
06479047
Filing Dt:
03/25/1983
Title:
DIGITAL TACHOMETER
34
Patent #:
4482032
Issue Dt:
11/13/1984
Application #:
06488340
Filing Dt:
04/25/1983
Title:
ELEVATOR EMERGENCY CONTROL SYSTEM
35
Patent #:
4485895
Issue Dt:
12/04/1984
Application #:
06509117
Filing Dt:
06/29/1983
Title:
ELEVATOR SYSTEM
36
Patent #:
4491199
Issue Dt:
01/01/1985
Application #:
06509120
Filing Dt:
06/29/1983
Title:
ELEVATOR SYSTEM
37
Patent #:
4504713
Issue Dt:
03/12/1985
Application #:
06513509
Filing Dt:
07/13/1983
Title:
PUSH BUTTON ELECTRICAL SWITCH ASSEMBLY
38
Patent #:
4494628
Issue Dt:
01/22/1985
Application #:
06523993
Filing Dt:
08/17/1983
Title:
ELEVATOR SYSTEM
39
Patent #:
4501344
Issue Dt:
02/26/1985
Application #:
06523994
Filing Dt:
08/17/1983
Title:
SPEED PATTERN GENERATOR FOR AN ELEVATOR CAR
40
Patent #:
4503939
Issue Dt:
03/12/1985
Application #:
06524811
Filing Dt:
08/19/1983
Title:
ELEVATOR SYSTEM
41
Patent #:
4587511
Issue Dt:
05/06/1986
Application #:
06527920
Filing Dt:
08/30/1983
Title:
ELEVATOR SYSTEM WITH HALL LAMP STATUS MONITORING
42
Patent #:
4567560
Issue Dt:
01/28/1986
Application #:
06530808
Filing Dt:
09/09/1983
Title:
MULTIPROCESSOR SUPERUISORY CONTROL FOR AN ELEVATOR SYSTEM
43
Patent #:
4580675
Issue Dt:
04/08/1986
Application #:
06532427
Filing Dt:
09/15/1983
Title:
TRANSPORTATION APPARATUS
44
Patent #:
4589539
Issue Dt:
05/20/1986
Application #:
06532436
Filing Dt:
09/15/1983
Title:
TRANSPORTATION APPARATUS HAVING A MOVING HANDRAIL
45
Patent #:
4535880
Issue Dt:
08/20/1985
Application #:
06532437
Filing Dt:
09/15/1983
Title:
ESCALATOR
46
Patent #:
4511017
Issue Dt:
04/16/1985
Application #:
06534005
Filing Dt:
09/20/1983
Title:
ELEVATOR SYSTEM
47
Patent #:
4555724
Issue Dt:
11/26/1985
Application #:
06544196
Filing Dt:
10/21/1983
Title:
ELEVATOR SYSTEM
48
Patent #:
4575848
Issue Dt:
03/11/1986
Application #:
06576061
Filing Dt:
02/01/1984
Title:
METHODS AND APPARATUS FOR CORRECTING A SOFTWARE CLOCK FROM AN ACCURATE CLOCK
49
Patent #:
4515247
Issue Dt:
05/07/1985
Application #:
06578338
Filing Dt:
02/09/1984
Title:
ELEVATOR SYSTEM
50
Patent #:
4512442
Issue Dt:
04/23/1985
Application #:
06595174
Filing Dt:
03/30/1984
Title:
METHOD AND APPARATUS FOR IMPROVING THE SERVICING OF AN ELEVATOR SYSTEM
51
Patent #:
4664247
Issue Dt:
05/12/1987
Application #:
06605041
Filing Dt:
04/30/1984
Title:
CONVEYOR BRAKE CONTROL
52
Patent #:
4570781
Issue Dt:
02/18/1986
Application #:
06607096
Filing Dt:
05/04/1984
Title:
ESCALATOR
53
Patent #:
4525095
Issue Dt:
06/25/1985
Application #:
06623745
Filing Dt:
06/22/1984
Title:
DRIVING AND ALIGNING COUPLING
54
Patent #:
4628200
Issue Dt:
12/09/1986
Application #:
06642906
Filing Dt:
08/20/1984
Title:
PULSE WHEEL SYSTEM WITH SHAFT MOUNTING
55
Patent #:
4588065
Issue Dt:
05/13/1986
Application #:
06644754
Filing Dt:
08/27/1984
Title:
ESCALATOR WITH CONTROLLED BRAKE
56
Patent #:
4582174
Issue Dt:
04/15/1986
Application #:
06649460
Filing Dt:
09/11/1984
Title:
ELEVATOR SYSTEM
57
Patent #:
4600865
Issue Dt:
07/15/1986
Application #:
06666065
Filing Dt:
10/29/1984
Title:
TRANSPORTATION APPARATUS
58
Patent #:
4577729
Issue Dt:
03/25/1986
Application #:
06678522
Filing Dt:
12/05/1984
Title:
GUIDE RAIL CLAMPING ASSEMBLY
59
Patent #:
4643276
Issue Dt:
02/17/1987
Application #:
06729603
Filing Dt:
05/02/1985
Title:
ELEVATOR SYSTEM
60
Patent #:
4648488
Issue Dt:
03/10/1987
Application #:
06741401
Filing Dt:
06/05/1985
Title:
ELEVATOR SYSTEM
61
Patent #:
4650037
Issue Dt:
03/17/1987
Application #:
06741402
Filing Dt:
06/05/1985
Title:
ELEVATOR SYSTEM
62
Patent #:
4646058
Issue Dt:
02/24/1987
Application #:
06741420
Filing Dt:
06/05/1985
Title:
ELEVATOR SYSTEM WITH LAMP FAILURE MONITORING
63
Patent #:
4638889
Issue Dt:
01/27/1987
Application #:
06742835
Filing Dt:
06/10/1985
Title:
ELEVATOR SYSTEM
64
Patent #:
4635756
Issue Dt:
01/13/1987
Application #:
06753282
Filing Dt:
07/09/1985
Title:
ELEVATOR CAB
65
Patent #:
4822963
Issue Dt:
04/18/1989
Application #:
06753505
Filing Dt:
07/10/1985
Title:
VANDAL RESISTANT PUSH BUTTON ASSEMBLY
66
Patent #:
4697243
Issue Dt:
09/29/1987
Application #:
06758984
Filing Dt:
07/25/1985
Title:
METHODS OF SERVICING AN ELEVATOR SYSTEM
67
Patent #:
4698780
Issue Dt:
10/06/1987
Application #:
06785378
Filing Dt:
10/08/1985
Title:
METHOD OF MONITORING AN ELEVATOR SYSTEM
68
Patent #:
4620615
Issue Dt:
11/04/1986
Application #:
06798256
Filing Dt:
11/14/1985
Title:
ELEVATOR SYSTEM
69
Patent #:
4662480
Issue Dt:
05/05/1987
Application #:
06826957
Filing Dt:
02/07/1986
Title:
ELEVATOR SYSTEM
70
Patent #:
4683989
Issue Dt:
08/04/1987
Application #:
06829744
Filing Dt:
02/14/1986
Title:
ELEVATOR COMMUNICATION CONTROLLER
71
Patent #:
4662481
Issue Dt:
05/05/1987
Application #:
06839487
Filing Dt:
03/14/1986
Title:
ELEVATOR SYSTEM
72
Patent #:
4667775
Issue Dt:
05/26/1987
Application #:
06857676
Filing Dt:
04/30/1986
Title:
HYDRAULIC ELEVATOR SYSTEM
73
Patent #:
4689456
Issue Dt:
08/25/1987
Application #:
06857678
Filing Dt:
04/30/1986
Title:
KEY SWITCH HAVING COOPERABLE CAMS WHICH TRANSLATE ROTARY MOTION TO RECTILINEAR
74
Patent #:
4728756
Issue Dt:
03/01/1988
Application #:
06857679
Filing Dt:
04/30/1986
Title:
A KEY SWITCH HAVING PIVOTABLE HOUSING MEMBERS AND CONTACT POSITIONING POSTS
75
Patent #:
4711322
Issue Dt:
12/08/1987
Application #:
06863482
Filing Dt:
05/15/1986
Title:
ELEVATOR CAB
76
Patent #:
4699251
Issue Dt:
10/13/1987
Application #:
06863487
Filing Dt:
05/15/1986
Title:
ELEVATOR CAB
77
Patent #:
4685537
Issue Dt:
08/11/1987
Application #:
06892975
Filing Dt:
08/04/1986
Title:
ELEVATOR SYSTEM WHICH UTILIZES BOTH RIGID AND RESILIENT MOUNTING ARRANGEMENTS FOR DOOR OPERATOR
78
Patent #:
4656572
Issue Dt:
04/07/1987
Application #:
06896568
Filing Dt:
08/14/1986
Title:
PWM INVERTER
79
Patent #:
4708223
Issue Dt:
11/24/1987
Application #:
06912855
Filing Dt:
09/29/1986
Title:
EMERGENCY LIGHTING FOR ELEVATOR CAB
80
Patent #:
4735293
Issue Dt:
04/05/1988
Application #:
06936562
Filing Dt:
12/01/1986
Title:
HATCHWAY DOOR FOR ELEVATOR SYSTEM
81
Patent #:
4742198
Issue Dt:
05/03/1988
Application #:
06939836
Filing Dt:
12/09/1986
Title:
PUSH BUTTON ASSEMBLY HAVING AN ACTUATOR SUBASSEMBLY FIXED TO THE INNERSIDE OF A FACE PLATE
82
Patent #:
4726449
Issue Dt:
02/23/1988
Application #:
06945045
Filing Dt:
12/22/1986
Title:
ELEVATOR CAB AND DOOR STRIKE POST CONSTRUCTION THEREFOR
83
Patent #:
4749061
Issue Dt:
06/07/1988
Application #:
07020042
Filing Dt:
02/27/1987
Title:
ELEVATOR CAB
84
Patent #:
4717865
Issue Dt:
01/05/1988
Application #:
07055582
Filing Dt:
05/29/1987
Title:
TRANSPORTATION APPARATUS
85
Patent #:
4785914
Issue Dt:
11/22/1988
Application #:
07064913
Filing Dt:
06/19/1987
Title:
ELEVATOR SYSTEM LEVELING SAFEGUARD CONTROL AND METHOD
86
Patent #:
4785915
Issue Dt:
11/22/1988
Application #:
07064915
Filing Dt:
06/19/1987
Title:
ELEVATOR SYSTEM MONITORING COLD OIL
87
Patent #:
4762204
Issue Dt:
08/09/1988
Application #:
07109638
Filing Dt:
10/16/1987
Title:
ELEVATOR SYSTEM MASTER CAR SWITCHING
88
Patent #:
4765442
Issue Dt:
08/23/1988
Application #:
07109639
Filing Dt:
10/16/1987
Title:
ELEVATOR SYSTEM GRACEFUL DEGRADATION OF BANK SERVICE
89
Patent #:
4766978
Issue Dt:
08/30/1988
Application #:
07109640
Filing Dt:
10/16/1987
Title:
ELEVATOR SYSTEM ADAPTIVE TIME-BASED BLOCK OPERATION
90
Patent #:
4776433
Issue Dt:
10/11/1988
Application #:
07148394
Filing Dt:
01/25/1988
Title:
ELEVATOR DOOR CONTROL SYSTEM
91
Patent #:
4782921
Issue Dt:
11/08/1988
Application #:
07168791
Filing Dt:
03/16/1988
Title:
COINCIDENT CALL OPTIMIZATION IN AN ELEVATOR DISPATCHING SYSTEM
92
Patent #:
4793443
Issue Dt:
12/27/1988
Application #:
07168817
Filing Dt:
03/16/1988
Title:
DYNAMIC ASSIGNMENT SWITCHING IN THE DISPATCHING OF ELEVATOR CARS
93
Patent #:
4784240
Issue Dt:
11/15/1988
Application #:
07169206
Filing Dt:
03/16/1988
Title:
METHOD FOR USING DOOR CYCLE TIME IN DISPATCHING ELEVATOR CARS
94
Patent #:
4790412
Issue Dt:
12/13/1988
Application #:
07169210
Filing Dt:
03/16/1988
Title:
ANTI-BUNCHING METHOD FOR DISPATCHING ELEVATOR CARS
95
Patent #:
4833588
Issue Dt:
05/23/1989
Application #:
07238381
Filing Dt:
08/31/1988
Title:
DIRECT AC/AC CONVERTER SYSTEM
Assignor
1
WESTINGHOUSE ELECTRIC CORPORATION
Exec Dt:
09/13/1993
Assignee
1
INVENTIO AG
CH-6052 HERGISWIL NW, SWITZERLAND
Correspondence name and address
SANDLER, GREENBLUM & BERNSTEIN
JAMES L. ROWLAND
2920 SOUTH GLEBE ROAD
ARLINGTON, VA 22206

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