| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Civil engineering | |
| #3 | Machines | |
| #4 | Environmental technology | |
| #5 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Ships | |
| #2 | Doors and windows | |
| #3 | Unspecified technologies | |
| #4 | Vehicle connections | |
| #5 | Household appliances | |
| #6 | Bolts for doors or windows | |
| #7 | Climate change adaptation technologies | |
| #8 | Locks | |
| #9 | Hydraulic engineering | |
| #10 | Marine propulsion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Beckerer Jr Frank S | 11 |
| #2 | Spangler William F | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US5037122A | Protective cover for a trailer hitch | |
| US5031564A | Snubber strip | |
| US4955968A | Protective cover for a trailer hitch | |
| US4842482A | Paddle construction | |
| US4729584A | Boat hatch or window construction | |
| US4648435A | Boat window | |
| US4572266A | Boat window | |
| US4508303A | Holder for containers | |
| US4280434A | Cover plate construction for boat decks | |
| US4246859A | Cover plate construction for boat decks | |
| US4095640A | Boat window |