Inventor
Charles F. Gray, Jr.
Inventor
Fond du Lac, WI, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B63Hprimary
B63HMarine propulsion or steering27%
F02BInternal-combustion piston engines9%
F16DCouplings for transmitting rotation9%
F16HGearing9%
F16NLubricating9%
F24BDomestic stoves or ranges for solid fuels9%
F24CDomestic stoves or ranges9%
F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
11,112,120Artificial log assembly20215,876,258'Self-activating marine jet drive weed grate cleanout system'19995,236,380'Apparatus and method for providing oil circulation in a marine propulsion system'19934,679,682'Marine drive shift mechanism with detent canister centered neutral'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1999Patents assigned to BRUNSWICK CORP (3)· patent assignee history
1987–1999Based in Fond du Lac, WI, US· patent location history
2021Patents assigned to WARMING TRENDS LLC (1)· patent assignee history
2021Based in Denver, CO, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BRUNSWICK CORP | 3 | 1987–1999 |
| WARMING TRENDS LLC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fond du Lac, WI, US | 3 | 1987–1999 |
| Denver, CO, US | 1 | 2021 |