Inventor
Heinrich Perk
Inventor
Aglasterhausen, DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Gprimary
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons24%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
B62KCycles5%
B63HMarine propulsion or steering5%
B63JAuxiliaries on vessels5%
C01BNon-metallic elements5%
C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures containing these gases5%
C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide5%
C10LFuels not otherwise provided for5%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy5%
PatentTitleYear
8,985,618'Wheelchair comprising a height-adjustable and incline-adjustable seat'20157,891,695'Upright wheelchair'20117,887,133'Stand-up wheelchair'2011D0604208'Stand-up wheelchair'20097,556,736'Process and system for converting biomass materials into energy to power marine vessels'20097,419,176'Stand-up wheelchair'20087,278,653'Wheelchair, particularly electric wheelchair'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2011Patents assigned to BOCK HEALTHCARE GMBH (3)· patent assignee history
2007–2015Based in Aglasterhausen, DE· patent location history
2008–2011Patents assigned to BOCK HEALTHCARE IP GMBH (2)· patent assignee history
2009Patents assigned to GALLOWAY TERRY R (1)· patent assignee history
2009Patents assigned to PERK H F WILLIAM (1)· patent assignee history
2009Based in Carbondale, IL, US· patent location history
2015Patents assigned to BOCK OTTO MOBILITY SOLUTIONS GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BOCK HEALTHCARE GMBH | 3 | 2007–2011 |
| BOCK HEALTHCARE IP GMBH | 2 | 2008–2011 |
| BOCK OTTO MOBILITY SOLUTIONS GMBH | 1 | 2015 |
| GALLOWAY TERRY R | 1 | 2009 |
| PERK H F WILLIAMself | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aglasterhausen, DE | 6 | 2007–2015 |
| Carbondale, Illinois, US | 1 | 2009 |