Inventor
Richard C. Welch
Inventor
Rockford, IL, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B64Dprimary
B64DEquipment for fitting in or to aircraft31%
F01MLubricating of machines or engines in general15%
F02CGas-turbine plants15%
Y02TClimate change mitigation technologies related to transportation15%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants8%
F16NLubricating8%
H02KDynamo-electric machines8%
PatentTitleYear
7,841,163'Turbofan emergency generator'20106,817,575'Integrated system for providing aircraft environmental control'20046,796,527'Integrated air turbine driven system for providing aircraft environmental control'20046,704,625'Aircraft architecture with a reduced bleed aircraft secondary power system'20046,663,044'Vapor compression cycle environmental control system'20034,990,807'Integrated drive generator having magnet generator on second shaft'19914,895,219'Fill valve for liquid containing device'19904,883,148'Fill valve for liquid containing device'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1991Patents assigned to SUNDSTRAND CORP (3)· patent assignee history
1989–2010Based in Rockford, IL, US· patent location history
2003–2010Patents assigned to HAMILTON SUNDSTRAND CORP (5)· patent assignee history
2010Patents assigned to PRATT & WHITNEY CANADA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HAMILTON SUNDSTRAND CORP | 5 | 2003–2010 |
| SUNDSTRAND CORP | 3 | 1989–1991 |
| PRATT & WHITNEY CANADA | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rockford, Illinois, US | 8 | 1989–2010 |