| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Engines, pumps and turbines | |
| #4 | Transport | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Pumps | |
| #3 | Vehicle tyre repairing | |
| #4 | Venting or aerating devices | |
| #5 | Vehicle servicing | |
| #6 | Lubricating | |
| #7 | Burners | |
| #8 | Pipes | |
| #9 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Edgar Hazard George | 11 |
| #2 | Kellogg George W | 2 |
| #3 | Hazard George E | 2 |
| #4 | Miller Charles R | 1 |
| #5 | Hazard George Edgar | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1684987A | Check valve | |
| US1823398A | Unloader | |
| US1636561A | Pressure-control device | |
| US1631031A | Unloader assembly | |
| US1687445A | Hose coupling | |
| US1694218A | Air-compressing mechanism | |
| US1584452A | Method and apparatus for burning fuels | |
| US1457988A | Grease gun | |
| US1426869A | Garage air compressor | |
| US1434117A | Grease gun | |
| US1483436A | Valve | |
| US1334857A | Attachment for automobile-driven tire-pumps | |
| US1295491A | Automobile-tire pump. | |
| US1291504A | Air-pump. | |
| US1295991A | Air-pump for automobiles. | |
| US1181318A | Pump. | |
| CA272329A | Air compressor |