Inventor
Stephen E. Clarke
Inventor
Orange, CA, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds20%
F42BExplosive charges, e.g. for blasting, fireworks, ammunition20%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations10%
C06BExplosives or thermic compositions10%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms10%
F01PCooling of machines or engines in general10%
F16DCouplings for transmitting rotation10%
H10DInorganic electric semiconductor devices10%
PatentTitleYear
6,696,457'Morphinoid compounds'20046,617,124'7-alkoxycoumarins as cytochrome p450 substrates'20036,118,169'Method for increasing power supply bypassing while decreasing chip layer density variations'20004,844,845'Dry mixture for production of pre-formed propellant charge'19894,802,415'Telescoped ammunition round having subcaliber projectile sabot with integral piston'19894,604,954'Telescoped ammunition with dual split cartridge case'19864,265,348'Electro-viscous fan clutch with snap action spring valve element for control of fluid gate'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981Patents assigned to GEN MOTORS CORP (1)· patent assignee history
1981Based in Dayton, OH, US· patent location history
1986Patents assigned to FORD AEROSPACE & COMMUNICATION (1)· patent assignee history
1986–1989Based in Orange, CA, US· patent location history
1989Patents assigned to FORD AEROSPACE CORP (2)· patent assignee history
2000Patents assigned to AGILENT TECHNOLOGIES INC (1)· patent assignee history
2000Based in Fort Collins, CO, US· patent location history
2003–2004Patents assigned to SMITHKLINE BEECHAM PLC (2)· patent assignee history
2003Based in Hemel Hempstead, GB· patent location history
2004Based in Welwyn, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FORD AEROSPACE CORP | 2 | 1989 |
| SMITHKLINE BEECHAM PLC | 2 | 2003–2004 |
| AGILENT TECHNOLOGIES INC | 1 | 2000 |
| FORD AEROSPACE & COMMUNICATION | 1 | 1986 |
| GEN MOTORS CORP | 1 | 1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Orange, California, US | 3 | 1986–1989 |
| Welwyn, GB | 1 | 2004 |
| Hemel Hempstead, GB | 1 | 2003 |
| Fort Collins, CO, US | 1 | 2000 |
| Dayton, OH, US | 1 | 1981 |