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Assignee Name : ENVIROTECH CORPORATION
Total Assignments: 27
Assignment: 1
Reel/Frame:003789/0827   Pages: 1
Recorded: 08/08/1980
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SILVERMETZ DAVID
Exec Dt:
06/04/1980
2
ADAMS GEORGE L.
Exec Dt:
06/04/1980
Assignee
1
ENVIROTECH CORPORATION
MENLO PARK, CALIFORNIA 94025
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4299114
NONE
06158109
Correspondence name and address
HAL J. BOHNER
ENVIROTECH CORP.
3000 SAND HILL RD.
MENLO PARK, CA 94025
Assignment: 2
Reel/Frame:003840/0644   Pages: 2
Recorded: 03/16/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KAHL MELVIN R.
Exec Dt:
09/15/1980
2
GELFAND PETER C.
Exec Dt:
11/05/1980
Assignee
1
ENVIROTECH CORPORATION
A CORP. OF DE.
MENLO PARK, CALIFORNIA 94025
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4305736
NONE
06144713
Correspondence name and address
JOHN J. MORRISSEY
ENVIROTECH CORP.
3000 SAND HILL RD.
MENLO PARK, CA 94025
Assignment: 3
Reel/Frame:003831/0092   Pages: 1
Recorded: 03/06/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MUELLER MAX A.
Exec Dt:
10/16/1980
2
VANDERTOOLEN DIRK
Exec Dt:
10/16/1980
3
MINEAR GERALD
Exec Dt:
10/16/1980
Assignee
1
ENVIROTECH CORPORATION
A CORP. OF DE.
CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4336139
NONE
06209937
Correspondence name and address
ENVIROTECH CORP.
3000 SAND HILL RD.
MENLO PARK, CA. 94025
Assignment: 4
Reel/Frame:003818/0633   Pages: 1
Recorded: 01/05/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ROTH ALFRED H.
Exec Dt:
10/27/1980
Assignee
1
ENVIROTECH CORPORATION
MENLO PARK, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4322224
NONE
06202175
Correspondence name and address
THOMAS HOOKER
101 NORTH FRONT ST.
HARRISBURG, PA 17101
Assignment: 5
Reel/Frame:004043/0407   Pages: 1
Recorded: 09/22/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
COLLINS, MARVIN K.
Exec Dt:
10/03/1981
2
BLATTER, KENNETH F.
Exec Dt:
10/03/1981
Assignee
1
ENVIROTECH CORPORATION
MENLO PARK, CALIFORNIA 94025
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4360366
NONE
06309177
Correspondence name and address
LOW & LOW
2316 S. EADS ST. P.O. BOX 2184
ARLINGTON, VA. 22202
Assignment: 6
Reel/Frame:003938/0307   Pages: 1
Recorded: 12/21/1981
Conveyance: ASSIGNOR ASSIGNS THE ENTIRE INTEREST SEE RECORD FOR DETAILS
Assignor
1
O CONNOR COMBUSTOR CORPORATION
Exec Dt:
12/11/1981
Assignee
1
ENVIROTECH CORPORATION
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
3822651
NONE
05394050
 
4066024
NONE
05644127
Correspondence name and address
ENVIROTECH CORPORATION
3000 SAND HILL RD
MENLO PARK CA 94025
Assignment: 7
Reel/Frame:003944/0104   Pages: 1
Recorded: 01/19/1982
Conveyance: CONDITIONAL ASSIGNMENT (SEE DOCUMENT FOR DETAILS).
Assignor
1
O'CONNOR COMBUSTOR CORPORATION
Exec Dt:
12/11/1981
Assignee
1
ENVIROTECH CORPORATION
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
3822651
NONE
05394050
 
4066024
NONE
05644127
Correspondence name and address
ENVIROTECH CORP.
3000 SAND HILL RD.
MENLO PARK, CA. 94025
Assignment: 8
Reel/Frame:004012/0981   Pages: 1
Recorded: 06/28/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DAVIS, STEVEN
Exec Dt:
01/25/1982
Assignee
1
ENVIROTECH CORPORATION
CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4475453
NONE
06341728
Correspondence name and address
THOMAS J. MCNAUGHTON
ENVIROTECH
3000 SAND HILL RD.
MENLO PARK, CA. 94025
Assignment: 9
Reel/Frame:004024/0232   Pages: 1
Recorded: 08/16/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WELLS, CHARLES H.
Exec Dt:
02/22/1982
Assignee
1
ENVIROTECH CORPORATION
SALT LAKE CITY, UTAH 84110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4405453
NONE
06351384
Correspondence name and address
EIMCO PROCESS EQUIPMENT COMPANY
669 WEST SECOND SOUTH
P.O.BOX 300
SALT LAKE CITY,UTAH 84110-0300
Assignment: 10
Reel/Frame:007149/0377   Pages: 5
Recorded: 09/26/1994
Conveyance: CHANGE OF NAME. SEE DOCUMENT FOR DETAILS.
Assignor
1
BAKER ACQUISITION CORPORATION
Exec Dt:
03/02/1982
Assignee
1
ENVIROTECH CORPORATION
3990 ESSEX LANE
HOUSTON, TEXAS 77027
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
4229304
NONE
06077865
 
4293417
NONE
06143991
Correspondence name and address
CARL A. ROWOLD
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
HOUSTON, TX 77027
Assignment: 11
Reel/Frame:004133/0610   Pages: 4
Recorded: 06/06/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
STENSEL, H. DAVID
Exec Dt:
06/25/1982
2
BIESINGER, MARK G.
Exec Dt:
06/24/1982
3
REFLING, DAVID R.
Exec Dt:
05/12/1983
4
KLEPPER, RONALD P.
Exec Dt:
06/21/1982
5
MAXHAM, JOHN V.
Exec Dt:
08/30/1982
Assignee
1
ENVIROTECH CORPORATION
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4303516
NONE
06196404
Correspondence name and address
ROBERT E. KREBS
ENVIROTECH CORPORATION
3000 SAND HILL RD.
MENLO PARK, CA 94025
Assignment: 12
Reel/Frame:004072/0998   Pages: 2
Recorded: 01/05/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MC NAB, WILLIAM S.
Exec Dt:
11/29/1982
2
PHIFER, JERRY A.
Exec Dt:
12/03/1982
Assignee
1
ENVIROTECH CORPORATION
SALT LAKE CITY, UTAH 84110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4465293
NONE
06437497
Correspondence name and address
EIMCO PROCESS EQUIPMENT CO.
P. O. BOX 300
SALT LAKE CITY, UT 84110
Assignment: 13
Reel/Frame:004101/0587   Pages: 1
Recorded: 03/07/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
EMMETT, ROBERT C.
Exec Dt:
03/02/1983
Assignee
1
ENVIROTECH CORPORATION
SALT LAKE CITY, UTAH 84110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4482528
NONE
06456923
Correspondence name and address
EIMCO PROCESS EQUIPMENT CO.
P.O.BOX 330
SALT LAKE CITY,UTAH 84110
Assignment: 14
Reel/Frame:004160/0403   Pages: 2
Recorded: 08/18/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HAYMORE, RALPH B.
Exec Dt:
06/29/1983
2
WINTER, HEINZ W.
Exec Dt:
06/29/1983
Assignee
1
ENVIROTECH CORPORATION
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4515694
NONE
06490741
Correspondence name and address
EIMCO PROCESS EQUIPMENT COMPANY
P.O. BOX 300,
SALT LAKE CITY, UT. 84110
Assignment: 15
Reel/Frame:004234/0609   Pages: 1
Recorded: 03/21/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
JACKSON, MICHAEL A.
Exec Dt:
01/31/1984
Assignee
1
ENVIROTECH CORPORATION
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4551285
NONE
06578343
Correspondence name and address
ROBERT E. KREBS
EIMCO PEC/ENVIROTECH
P. O. BOX 300
SALT LAKE CITY, UT 84110
Assignment: 16
Reel/Frame:004363/0932   Pages: 1
Recorded: 02/19/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
COMBET, MICHEL
Exec Dt:
12/05/1984
Assignee
1
ENVIROTECH CORPORATION
P.O. BOX 300
SALT LAKE CITY, UTAH 84110
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
4588037
NONE
06680617
 
4588037
NONE
06680617
Correspondence name and address
CARL A. ROWOLD
EIMCO PROCESS EQUIPMENT CO.
P. O. BOX 300
SALT LAKE CITY, UT 84110
Assignment: 17
Reel/Frame:004501/0568   Pages: 2
Recorded: 12/09/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DAVIS, STEVEN S.
Exec Dt:
12/09/1985
Assignee
1
ENVIROTECH CORPORATION
3000 SAND HILL ROAD
A CORP OF DELAWARE
MENLO PARK, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4710293
NONE
06806656
Correspondence name and address
TRASK & BRITT
P. O. BOX 1978
SALT LAKE CITY, UT 84110
Assignment: 18
Reel/Frame:004524/0406   Pages: 2
Recorded: 03/24/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
EMMETT, ROBERT C. JR.
Exec Dt:
03/18/1986
2
O'CONNOR, LAWRENCE T.
Exec Dt:
03/18/1986
Assignee
1
ENVIROTECH CORPORATION
3000 SAND HILL ROAD
A CORP. OF DE.
MENLO PARK, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4732608
NONE
06827324
Correspondence name and address
TRASK, BRITT & ROSSA
P. O. BOX 1978
SALT LAKE CITY, UT 84110
Assignment: 19
Reel/Frame:005181/0821   Pages: 2
Recorded: 11/15/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MEURER, CHARLES L.
Exec Dt:
10/11/1989
Assignee
1
ENVIROTECH CORPORATION
669 WEST 200 SOUTH
SALT LAKE CITY, UTAH 84101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4933524
NONE
07325274
Correspondence name and address
CARL A. ROWOLD
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, STE. 1200
P.O. BOX 4740
HOUSTON, TX. 77210-4740
Assignment: 20
Reel/Frame:005181/0919   Pages: 2
Recorded: 11/15/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MEURER, CHARLES L.
Exec Dt:
10/11/1989
Assignee
1
ENVIROTECH CORPORATION
669 WEST 200 SOUTH
SALT LAKE CITY, UTAH 84101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4865753
NONE
07207987
Correspondence name and address
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, STE. 1200
P.O. BOX 4740
HOUSTON, TX 77210-4740
Assignment: 21
Reel/Frame:005181/0944   Pages: 2
Recorded: 11/15/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MEURER, C. LONNIE
Exec Dt:
10/11/1989
Assignee
1
ENVIROTECH CORPORATION
669 WEST 200 SOUTH
SALT LAKE CITY, UTAH 84101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4401576
NONE
06220843
Correspondence name and address
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, STE. 1200
P.O. BOX 4740
HOUSTON, TX 77210-4740
Assignment: 22
Reel/Frame:005181/0988   Pages: 2
Recorded: 11/15/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MEURER, CHARLES L.
Exec Dt:
10/11/1989
Assignee
1
ENVIROTECH CORPORATION
669 WEST 200 SOUTH
SALT LAKE CITY, UTAH 84101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4927537
NONE
07321440
Correspondence name and address
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, STE. 1200
P.O. BOX 4740
HOUSTON, TX 77210-4740
Assignment: 23
Reel/Frame:005257/0274   Pages: 3
Recorded: 03/12/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WIGHT, JEFFREY L.
Exec Dt:
03/09/1990
2
COOK, LYNN W.
Exec Dt:
03/09/1990
Assignee
1
ENVIROTECH CORPORATION
669 W. 200 SOUTH
A CORP. OF DE
SALT LAKE CITY, UTAH 84101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5092482
NONE
07492776
Correspondence name and address
TRASK, BRITT & ROSSA
P.O. BOX 2550
SALT LAKE CITY, UT 84110
Assignment: 24
Reel/Frame:005295/0525   Pages: 3
Recorded: 04/02/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BLACK, BRENT C.
Exec Dt:
03/29/1990
2
COOMBS, STEVEN G.
Exec Dt:
03/29/1990
3
AINSWORTH, JOHN B.
Exec Dt:
03/29/1990
4
THORUM, JOHN
Exec Dt:
03/29/1990
Assignee
1
ENVIROTECH CORPORATION
669 WEST 200 SOUTH
A DE CORP.
SALT LAKE CITY, UTAH 84101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5078873
NONE
07503453
Correspondence name and address
STEVE ROSENBLATT
24 GREENWAY PLAZA
SUITE 1715
HOUSTON, TX 77046
Assignment: 25
Reel/Frame:006255/0177   Pages: 7
Recorded: 09/09/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HANIFY, DOUGLAS E.
Exec Dt:
09/08/1992
2
DUNCAN, STEVEN P.
Exec Dt:
09/08/1992
3
EMMETT, ROBERT C., JR.
Exec Dt:
09/08/1992
4
BROX, GUNTER H.
Exec Dt:
09/08/1992
Assignee
1
ENVIROTECH CORPORATION
3000 SAND HILL ROAD
MENLO PARK, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5227136
NONE
07612585
Correspondence name and address
LAURENCE B. BOND
525 SOUTH 300 EAST
SALT LAKE CITY, UT 84110
Assignment: 26
Reel/Frame:007613/0435   Pages: 3
Recorded: 08/28/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PROCESS DEVELOPMENT, INC.
Exec Dt:
09/25/1992
Assignee
1
ENVIROTECH CORPORATION
3900 ESSEX LANE, STE. 1200
HOUSTON, TEXAS 77027
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4782789
NONE
07112397
 
5011597
NONE
07384833
 
4986903
NONE
07385005
 
5080780
NONE
07563323
Correspondence name and address
LORETTA BOGAARD
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, STE. 1200
HOUSTON, TX 77027
Assignment: 27
Reel/Frame:006429/0928   Pages: 3
Recorded: 02/09/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BARNES SMYTH LIMITED PARTNERSHIP
Exec Dt:
02/08/1993
Assignee
1
ENVIROTECH CORPORATION
669 WEST 200 SOUTH
SALT LAKE CITY, UTAH 84115
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5361708
NONE
08015409
Correspondence name and address
JOSEPH A. WALKOWSKI
TRASK, BRITT & ROSSA
P.O. BOX 2550
SALT LAKE CITY, UTAH 84110

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