Inventor
Michael Freitag
Inventor
Kenosha, WI, US
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B63Hprimary
B63HMarine propulsion or steering25%
F25DRefrigerators20%
F16LPipes9%
B29CShaping or joining of plastics5%
B29LIndexing scheme associated with subclass b29c, relating to particular articles5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%
F25BRefrigeration machines, plants or systems5%
Y10TTechnical subjects covered by former us classification5%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts2%
B63BShips or other waterborne vessels2%
PatentTitleYear
10,871,315Refrigerant circuit for a cooling and/or freezing appliance202010,670,326Vacuum-tight through-film bushing202010,661,498Method for applying a film onto a body202010,640,278Vacuum insulation body202010,295,247Vacuum insulation body201910,247,468Vacuum insulation body201910,119,748Vacuum insulation body201810,088,221Vacuum insulation body201810,041,726Vacuum insulation body20189,227,715'Marine propulsion system gear case assembly'20169,017,118'Gear case assembly for a marine outboard engine and method of assembly thereof'20156,558,211'Low-profile steering nozzle for water jet propulsion system'20036,482,055'Water jet propulsion unit having linear weed grate clean-out system'20026,287,162'Bearing arrangement for drive shaft of water jet apparatus'20016,244,914'Shift and steering control system for water jet apparatus'20016,238,256'Arrangement for mounting propulsion unit to boat hull'20016,224,435'Inlet structure for water jet apparatus mounted to boat hull'20014,971,585'Marine propulsion device seal arrangement'19904,959,033'Marine propulsion device cover arrangement'19904,863,406'Marine propulsion device with two piece propeller shaft assembly including spring clip for releasably preventing relative movement between propeller shaft pieces'19894,850,910'Counter-rotation transmission'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1990Patents assigned to OUTBOARD MARINE CORP (4)· patent assignee history
1989–2016Based in Kenosha, WI, US· patent location history
2001–2002Patents assigned to BOMBARDIER MOTOR CORP OF US (5)· patent assignee history
2018–2020Patents assigned to LIEBHERR HAUSGERAETE LIENZ GMBH (9)· patent assignee history
2018–2019Patents assigned to LIEBHERR HAUSGERAETE OCHSENHAUSEN GMBH (4)· patent assignee history
2018–2019Based in Wuerzburg, DE· patent location history
2018Based in Würzburg, DE· patent location history
2019–2020Patents assigned to LIEBHERR HAUSGERATE OCHSENHAUSEN GMBH (5)· patent assignee history
2019–2020Based in Wurzburg, DE· patent location history
2020Based in Erlabrunn, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LIEBHERR HAUSGERAETE LIENZ GMBH | 9 | 2018–2020 |
| BOMBARDIER MOTOR CORP OF US | 5 | 2001–2002 |
| LIEBHERR HAUSGERATE OCHSENHAUSEN GMBH | 5 | 2019–2020 |
| LIEBHERR HAUSGERAETE OCHSENHAUSEN GMBH | 4 | 2018–2019 |
| OUTBOARD MARINE CORP | 4 | 1989–1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kenosha, WI, US | 12 | 1989–2016 |
| Wurzburg, DE | 4 | 2019–2020 |
| Wuerzburg, DE | 2 | 2018–2019 |
| Würzburg, DE | 2 | 2018 |
| Erlabrunn, DE | 1 | 2020 |