| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 19 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Thermal processes | |
| #5 | Measurement | |
| #6 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Supplying combustion engines | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Burners | |
| #5 | Gearing | |
| #6 | Vehicle servicing | |
| #7 | Measuring volume | |
| #8 | Venting or aerating devices | |
| #9 | Clutches and brakes | |
| #10 | Controlling combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rayfield Charles L | 21 |
| Publication | Filing date | Title |
|---|---|---|
| US2096859A | Oil burner | |
| US1967260A | Mixing pump | |
| US1790246A | Safety switch for oil burners | |
| US1510015A | Cleaning mechanism | |
| US1583178A | Gasoline gauge | |
| US1501187A | Flexible coupling | |
| US1345461A | Belt-tightener | |
| US1379042A | Engine-speed-regulating carbureter | |
| US1401555A | Carbureter | |
| US1265515A | Carbureter. | |
| US1224209A | Carbureter. | |
| US1222562A | Carbureter-primer. | |
| US1222131A | Carbureter. | |
| US1222130A | Carbureter. | |
| US1224208A | Carbureter. | |
| US1224207A | Multiple-jet carbureter. | |
| US1222561A | Float feed mechanism for carbureters. | |
| US1160653A | Strainer. | |
| US929012A | Gear-shifter. | |
| CA385559A | Refrigerant compressor |