Inventor
David R. Arrowsmith
Inventor
Leamington Spa, GB
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Dprimary
F16DCouplings for transmitting rotation35%
C08JWorking-up18%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients12%
F16CShafts12%
Y10TTechnical subjects covered by former us classification12%
F15BSystems acting by means of fluids in general6%
F16FSprings6%
PatentTitleYear
9,493,624'Polymer foam with low bromine content'20168,324,288'Extruded polymer foams containing brominated fatty acid-based flame retardant additives'20128,080,592'Extruded polymer foams containing brominated fatty acid-based flame retardant additives'20115,188,204'Pre-filled power hydraulic system'19934,561,531'Hydraulic slave cylinder with latch means for use with clutch release bearing'19854,378,676'Booster for a hydraulic clutch system'19834,327,951'Clutch release bearing assembly'19824,229,058'Clutch release bearing assembly'19804,177,888'Friction clutch plate with two concentric hubs for damping'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1983Patents assigned to AUTOMOTIVE PROD CO LTD (4)· patent assignee history
1979–1993Based in Leamington Spa, GB· patent location history
1985–1993Patents assigned to AUTOMOTIVE PRODUCTS PLC (2)· patent assignee history
2011–2016Patents assigned to ARROWSMITH DAVID R (3)· patent assignee history
2011–2016Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (3)· patent assignee history
2011–2016Patents assigned to GORDON-DUFFY JOHN (3)· patent assignee history
2011–2016Based in Achern, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AUTOMOTIVE PROD CO LTD | 4 | 1979–1983 |
| ARROWSMITH DAVID Rself | 3 | 2011–2016 |
| DOW GLOBAL TECHNOLOGIES LLC | 3 | 2011–2016 |
| GORDON-DUFFY JOHN | 3 | 2011–2016 |
| AUTOMOTIVE PRODUCTS PLC | 2 | 1985–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Leamington Spa, GB | 6 | 1979–1993 |
| Achern, DE | 3 | 2011–2016 |