Inventor
Patrick C. Tetzlaff
Inventor
Caledonia, WI, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Bprimary
F02BInternal-combustion piston engines21%
F02DControlling combustion engines21%
A61MDevices for introducing media into, or onto, the body13%
B63HMarine propulsion or steering8%
Y02TClimate change mitigation technologies related to transportation8%
F01LCyclically operating valves for machines or engines4%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%
F01PCooling of machines or engines in general4%
F02FCylinders, pistons or casings, for combustion engines4%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof4%
PatentTitleYear
D0928307Spherical surgical suction container2021D0925729Spherical surgical suction container2021D0888937Spherical surgical suction container2020D0870879Spherical surgical suction container20199,073,616'Marine engine cowling'20158,925,502'Hydraulically actuated valve assembly for an engine'20158,858,280'Marine engine rigging system'20147,000,591'Throttle assembly having deadband linkage'20066,840,095'Exhaust diaphragm assembly'20056,505,600'Direct injection two stroke engine combustion mapping'20036,360,161'Method and system for fuel injector coefficient installation'20026,315,624'Exhaust probe'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2003Patents assigned to BOMBARDIER MOTOR CORP OF US (3)· patent assignee history
2001–2005Based in Franklin, WI, US· patent location history
2005Patents assigned to BOMBARDIER RECREATIONAL PROD (1)· patent assignee history
2006–2015Patents assigned to BRP US INC (4)· patent assignee history
2006Based in Greenfield, WI, US· patent location history
2014–2015Patents assigned to TETZLAFF PATRICK C (2)· patent assignee history
2014–2021Based in Caledonia, WI, US· patent location history
2019–2021Patents assigned to DESIGN DEPT INC (4)· patent assignee history
2021Based in Caledonia, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BRP US INC | 4 | 2006–2015 |
| DESIGN DEPT INC | 4 | 2019–2021 |
| BOMBARDIER MOTOR CORP OF US | 3 | 2001–2003 |
| TETZLAFF PATRICK Cself | 2 | 2014–2015 |
| BOMBARDIER RECREATIONAL PROD | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Caledonia, WI, US | 6 | 2014–2021 |
| Franklin, WI, US | 4 | 2001–2005 |
| Caledonia, Illinois, US | 1 | 2021 |
| Greenfield, WI, US | 1 | 2006 |