Inventor
Alan Ernest Kinnaird Holbrook
Inventor
Pulborough, GB
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids47%
F01CRotary-piston or oscillating-piston machines or engines27%
F04BPositive-displacement machines for liquids7%
F04DNon-positive-displacement pumps7%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants3%
F16CShafts3%
F16DCouplings for transmitting rotation3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
10,968,909Pump comprising a proximity sensor202110,767,653Vacuum pump202010,539,123Pressure regulating apparatus including conduit20209,879,677'Vacuum pump'20189,739,278'Multi-stage vacuum pump'20179,631,630'Bearing carrier for a pump'20179,551,333'Vacuum pump with longitudinal and annular seals'20179,353,748'Scroll pump having tip seal containing engaging portions intermediate nonengaging portions that interface with a scroll base'20169,353,746'Scroll pump'20169,297,381'Switchable single-start or multi-start scroll pump'20169,297,384'Scroll pump with overpressure exhaust'20168,851,868'Scroll compressor including flow path with differing axial extents'20148,747,087'Scroll pump having pockets formed in an axial end face of a scroll wall'20145,573,387'Vacuum pumps'19965,419,689'Vacuum pump having oil-actuated inlet valve'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–1996Patents assigned to BOC GROUP PLC (2)· patent assignee history
1995–1996Based in Brighton, GB· patent location history
2014–2021Patents assigned to EDWARDS LTD (13)· patent assignee history
2014–2017Patents assigned to HOLBROOK ALAN ERNEST KINNAIRD (7)· patent assignee history
2014–2016Patents assigned to STONES IAN DAVID (4)· patent assignee history
2014–2020Based in Pulborough, GB· patent location history
2016Patents assigned to HOCKLIFFE MILES GEOFFERY (3)· patent assignee history
2020Based in Crawley, GB· patent location history
2021Based in Burgess Hill, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EDWARDS LTD | 13 | 2014–2021 |
| HOLBROOK ALAN ERNEST KINNAIRDself | 7 | 2014–2017 |
| STONES IAN DAVID | 4 | 2014–2016 |
| HOCKLIFFE MILES GEOFFERY | 3 | 2016 |
| BOC GROUP PLC | 2 | 1995–1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pulborough, GB | 11 | 2014–2020 |
| Brighton, GB | 2 | 1995–1996 |
| Burgess Hill, GB | 1 | 2021 |
| Crawley, GB | 1 | 2020 |