Inventor
Charles E. Zimmerman
Inventor
Bristol, TN, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
F04BPositive-displacement machines for liquids10%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids10%
F25BRefrigeration machines, plants or systems10%
G06NComputing arrangements based on specific computational models10%
Y10TTechnical subjects covered by former us classification10%
B23BTurning7%
B22FWorking metallic powder3%
B29CShaping or joining of plastics3%
B29LIndexing scheme associated with subclass b29c, relating to particular articles3%
PatentTitleYear
7,260,951'Pressure equalization system'20076,823,686'Pressure equalization system and method'20046,584,791'Pressure equalization system and method'20036,389,405'Processing system for identifying relationships between concepts'20025,995,955'System and method for expert system analysis using quiescent and parallel reasoning and set structured knowledge representation'19995,778,157'System and method for expert system analysis using quiescent and parallel reasoning and set structured knowledge representation'19985,377,116'Method and system for designing a cutting tool'19945,075,053'Method of making cutting insert'19914,982,830'Product feeding apparatus'19914,859,122'Polygonal cutting insert'19894,846,609'Polygonal cutting insert'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1991Patents assigned to GTE VALENITE CORP (3)· patent assignee history
1989–1991Based in Southfield, MI, US· patent location history
1991Patents assigned to AMP INC (1)· patent assignee history
1991Based in Birdsboro, PA, US· patent location history
1994Based in Clarkston, MI, US· patent location history
1998–2002Patents assigned to YY SOFTWARE CORP (3)· patent assignee history
1998–2002Based in San Carlos, CA, US· patent location history
2003–2004Patents assigned to BRISTOL COMPRESSORS (2)· patent assignee history
2003–2007Based in Bristol, TN, US· patent location history
2007Patents assigned to BRISTOL COMPRESSORS INTERNATIO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GTE VALENITE CORP | 3 | 1989–1991 |
| YY SOFTWARE CORP | 3 | 1998–2002 |
| BRISTOL COMPRESSORS | 2 | 2003–2004 |
| AMP INC | 1 | 1991 |
| BRISTOL COMPRESSORS INTERNATIO | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bristol, TN, US | 3 | 2003–2007 |
| San Carlos, California, US | 3 | 1998–2002 |
| Southfield, MI, US | 3 | 1989–1991 |
| Clarkston, MI, US | 1 | 1994 |
| Birdsboro, Pennsylvania, US | 1 | 1991 |