| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 69 | |
| #2 | United Kingdom | 3 | |
| #3 | Germany | 2 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Packaging and shipping | |
| #3 | Mechanical elements | |
| #4 | Civil engineering | |
| #5 | Engines, pumps and turbines | |
| #6 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Earth drilling | |
| #3 | Pumps | |
| #4 | Winches | |
| #5 | Containers for goods storage | |
| #6 | Clutches and brakes | |
| #7 | Shafts | |
| #8 | Unspecified technologies | |
| #9 | Venting or aerating devices | |
| #10 | Liquid hydrocarbon mixture production |
| # | Name | Total Patents |
|---|---|---|
| #1 | William Schwemlein | 22 |
| #2 | La Mater Robert Griffin De | 17 |
| #3 | Ralph Bloss Richard | 5 |
| #4 | Lyne Joe A | 4 |
| #5 | Speiden Edgar F | 4 |
| #6 | Williams Ramey Harold | 3 |
| #7 | Mckeever Roy S | 3 |
| #8 | Dake George E | 3 |
| #9 | Russell Leland Harrison | 3 |
| #10 | Lockhart Harold J | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US3105748A | Method and system for drying gas and reconcentrating the drying absorbent | |
| US2900841A | Pneumatic counterbalance having a control mechanism therefor | |
| GB724293A | Hydrodynamic brake | |
| US2793543A | Eccentric wrist pin mounting for pumping units | |
| US2786552A | Hydrodynamic brakes | |
| US2741141A | Counterbalances | |
| US2560092A | Sealing means for bolted storage tanks | |
| US2429454A | Hoop lug | |
| US2521859A | Oil emulsion treater | |
| US2408200A | Walking beam structure | |
| US2449738A | Oil emulsion treater | |
| US2421056A | Conveyor control system | |
| US2387883A | Heating apparatus | |
| US2271594A | Pumping mechanism | |
| US2265379A | Pumping mechanism | |
| US2238426A | Bearing structure | |
| US2250626A | Walking beam assembly | |
| US2233227A | Hydropneumatic counterbalance | |
| US2233226A | Hydropneumatic counterbalance | |
| US2204509A | Oil and gas separator |