Inventor
Charles Lee
Inventor
Virginia Beach, VA, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Cprimary
F01CRotary-piston or oscillating-piston machines or engines17%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors13%
H03KPulse technique13%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers10%
F16LPipes7%
Y10TTechnical subjects covered by former us classification7%
B08BCleaning in general3%
B28DWorking stone or stone-like materials3%
F02BInternal-combustion piston engines3%
F02GHot gas or combustion-product positive-displacement engine plants3%
PatentTitleYear
8,919,704'Conduit hanger and support apparatus'20147,077,261'Apparatus for transferring flowable material'20066,749,411'Rotary vane hydraulic power device'20046,685,060'Material handling apparatus'20046,659,066'Gear synchronized articulated vane rotary machine'20036,623,013'Seal device'20036,599,113'Independent vane rotary gas compressor'20036,595,735'Bulk particulate discharge apparatus and method'20036,349,695'Articulated vane rotary internal combustion machine'20026,024,549'Vane type rotary device'20004,880,335'Method and apparatus for removing concrete coating from pipe'19894,798,978'GAAS FET logic having increased noise margin'19894,639,615'Trimmable loading elements to control clock skew'1987D0283291'Unloading tool tip'19864,575,648'Complementary field effect transistor EXCLUSIVE OR logic gates'19864,569,032'Dynamic CMOS logic circuits for implementing multiple AND-functions'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1987Patents assigned to AT & T BELL LAB (3)· patent assignee history
1986Patents assigned to CENTENNIAL MACHINE COMPANY INC (1)· patent assignee history
1986Based in Berkeley Heights, NJ, US· patent location history
1989Patents assigned to ARABIAN AMERICAN OIL COMPANY (1)· patent assignee history
1989–2004Based in Virginia Beach, VA, US· patent location history
2003–2006Patents assigned to MATCON R & D LTD (4)· patent assignee history
2003–2004Based in Shipston-on-Stour, GB· patent location history
2006Based in Warwickshire, GB· patent location history
2014Patents assigned to BURKE PAUL (1)· patent assignee history
2014Based in Commerce Township, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATCON R & D LTD | 4 | 2003–2006 |
| AT & T BELL LAB | 3 | 1986–1987 |
| ARABIAN AMERICAN OIL COMPANY | 1 | 1989 |
| BURKE PAUL | 1 | 2014 |
| CENTENNIAL MACHINE COMPANY INC | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Virginia Beach, Virginia, US | 6 | 1989–2004 |
| Shipston-on-Stour, GB | 3 | 2003–2004 |
| Berkeley Heights, New Jersey, US | 2 | 1986 |
| Commerce Township, MI, US | 1 | 2014 |
| Warwickshire, GB | 1 | 2006 |