| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 28 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Furniture and games | |
| #5 | Thermal processes | |
| #6 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Wing fittings | |
| #3 | Frames | |
| #4 | Fluid heaters | |
| #5 | Locks | |
| #6 | Chairs and beds | |
| #7 | Hinges for doors or windows | |
| #8 | Platform constructions | |
| #9 | Grinding or polishing devices | |
| #10 | Toys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Foster Charles H | 29 |
| Publication | Filing date | Title |
|---|---|---|
| US3274939A | Mercury switch | |
| US2454693A | Airplane control toy | |
| US1288551A | Boiler-stand. | |
| US1276202A | Boiler-stand. | |
| US1235304A | Refrigerator drain-trap. | |
| US1154390A | Oiling and cleaning device for guns. | |
| US1022409A | Expansion-tank support. | |
| US909777A | Range-boiler stand. | |
| US874839A | Pipe-wrench. | |
| US871264A | Toy and other device. | |
| US858866A | Gate-latch. | |
| US852551A | Sash-pulley. | |
| US852550A | Gate-latch. | |
| US834377A | Range-boiler stand. | |
| US855453A | Boiler-support. | |
| US836443A | Grindstone-fixture. | |
| US828882A | Boiler-stand. | |
| US802851A | Grindstone-fixture. | |
| US836747A | Boiler-stand. | |
| US790625A | Hot-air register. |