skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 2
Patent #:
Issue Dt:
11/19/2002
Application #:
09865038
Filing Dt:
05/24/2001
Publication #:
Pub Dt:
09/19/2002
Inventors:
Guoyuan Ma, Qisen Yan, Yi Jiang
Title:
HEAT PUMP SYSTEM FOR AIR CONDITIONING ADAPTABLE TO COLD REGIONS
Assignment: 1
Reel/Frame:
011848/0798Recorded: 05/24/2001Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
03/20/2001
Exec Dt:
03/20/2001
Exec Dt:
03/20/2001
Assignees:
HAIDIAN DISTRICT
BEIJING, P.R., CHINA 10008
QINGHUAYUAN, HAIDIAN DISTRICT
TONGFANG BUILDING
BEIJING, P.R., CHINA 10008
Correspondent:
JUDSON K. CHAMPLIN
WESTMAN, CHAMPLIN & KELLY, P.A.
900 SECOND AVENUE SOUTH
SUITE 1600, INTERNATIONAL CENTRE
MINNEAPOLIS, MN 55402
Assignment: 2
Reel/Frame:
015418/0652Recorded: 06/07/2004Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
04/20/2004
Exec Dt:
04/20/2004
Assignees:
HAIDIAN DISTRICT
BEIJING, CHINA 100084
21/F, BLDG. B, TSINGHUA TONGFANG HI-TECH PLAZA
NO. 1, WANGZHUANG ROAD
BEIJING, CHINA 100083
TONGFANG BUILDING, QINGHUAYUAN,
HAIDEN DISTRICT
BEIJING, CHINA
Correspondent:
WESTMAN, CHAMPLIN & KELLY, P.A.
JUDSON K. CHAMPLIN
INTERNATIONAL CENTER
900 SECOND AVENUE SOUTH, SUITE 1600
MINNEAPOLIS, MN 55402

Search Results as of: 05/02/2024 03:42 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT