Inventor
Christopher R. Irgens
Inventor
Elm Grove, WI, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Mprimary
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof16%
Y10TTechnical subjects covered by former us classification14%
B60DVehicle connections9%
F02BInternal-combustion piston engines9%
F04BPositive-displacement machines for liquids7%
E05BLocks5%
F24CDomestic stoves or ranges5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
B22CFoundry moulding2%
B29CShaping or joining of plastics2%
PatentTitleYear
10,119,707Telescoping downdraft ventilator alignment assembly20189,897,329'Cooktop with downdraft ventilator'20187,273,223'Trailer hitch ball'20077,267,355'Anti-rotational hitch ball'20076,865,914'Threaded member lock'20056,854,302'Pneumatic tool lock'20056,846,002'Hitch ball lock'20056,026,792'Method of operating a fuel injected engine'20005,992,016'Method of controlling the magnetic gap length and the initial stroke length of a pressure surge fuel pump'19995,779,454'Combined pressure surge fuel pump and nozzle assembly'19985,661,895'Method of controlling the magnetic gap length and the initial stroke length of a pressure surge fuel pump'19975,639,062'Modified heel valve construction'19975,608,369'Magnetic gap construction'19975,544,673'Method and arrangement for assembling fuel injection nozzles'19965,472,013'Fuel injection nozzle'19954,986,942'Method for forming ported cylinder sleeve liner foam pattern'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2000Patents assigned to OUTBOARD MARINE CORP (7)· patent assignee history
1991–2007Based in Elm Grove, WI, US· patent location history
1998Patents assigned to FICHT GMBH & CO KG (1)· patent assignee history
2005–2007Patents assigned to MASTER LOCK CO (5)· patent assignee history
2018Patents assigned to WESTERN IND INC (2)· patent assignee history
2018Patents assigned to HUBER JOHN J (1)· patent assignee history
2018Based in Brookfield, WI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OUTBOARD MARINE CORP | 7 | 1991–2000 |
| MASTER LOCK CO | 5 | 2005–2007 |
| WESTERN IND INC | 2 | 2018 |
| FICHT GMBH & CO KG | 1 | 1998 |
| HUBER JOHN J | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Elm Grove, WI, US | 14 | 1991–2007 |
| Brookfield, WI, US | 2 | 2018 |