| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Machine tools | |
| #5 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Pumps | |
| #3 | Accessories for machine tools | |
| #4 | Shafts | |
| #5 | Special machines | |
| #6 | Metal tempering | |
| #7 | Lubricating | |
| #8 | Venting or aerating devices | |
| #9 | Clutches and brakes | |
| #10 | Siphons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Williams Glynn H | 7 |
| #2 | Ostrom Ernest W | 3 |
| #3 | Hammett David M | 2 |
| #4 | Green Edwin F | 2 |
| #5 | Emery Frank C | 2 |
| #6 | Judson Kelly | 2 |
| #7 | Jackson William H | 1 |
| #8 | Mattingly Harold W | 1 |
| #9 | Bucklein Frank P | 1 |
| #10 | Harold Grad | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2373934A | Stop mechanism for machine tools | |
| US2364865A | Shock absorbing strut | |
| US2286550A | Standing valve puller | |
| US2308876A | Valve construction | |
| US2298567A | Pump anchor | |
| US2333250A | Lathe bed | |
| US2318145A | Method of flame hardening tubular structures | |
| US2279564A | Apparatus for flame hardening tubular structures | |
| US2220822A | Pump plunger | |
| US2267183A | Stuffing box | |
| US2265502A | Clutch mechanism | |
| US2263910A | Standing valve puller | |
| US2220821A | Pump plunger | |
| US2177890A | Pump anchor | |
| US2180719A | Adjustable rod guide for pumps | |
| US2115094A | Tailstock for lathes | |
| US2066956A | Automatic coupling | |
| US2088971A | Pump anchor structure |