| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 39 | |
| #2 | Canada | 5 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines | |
| #4 | Thermal processes | |
| #5 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Beier Kurt A | 10 |
| #2 | Louis Schwitzer | 9 |
| #3 | Winkler Carl J | 9 |
| #4 | John Roland | 9 |
| #5 | Hardy James A | 5 |
| #6 | Winkler Herman E | 3 |
| #7 | Walmsley David C | 2 |
| #8 | Roland John | 2 |
| #9 | William Shimer | 1 |
| #10 | Frankenfield Titus E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2716904A | Damper assembly | |
| US2716946A | Hydraulic control system | |
| US2661148A | Thermostatically controlled fan | |
| US2702087A | Fan assembly | |
| US2594555A | Vibration damper | |
| US2494725A | Power-driven vehicle with loading ramp | |
| US2492029A | Fan assembly | |
| US2556999A | Vibration damper | |
| US2526744A | Vibration damper | |
| US2473335A | Vibration damper | |
| GB599565A | Improvements in fluid sealing devices especially for rotary shafts | |
| US2512735A | Vibration dampener | |
| GB594502A | Improvements in sealing devices for shafts and the like | |
| US2488356A | Hydraulic lift truck | |
| US2531794A | Pump | |
| US2463080A | Interengaging impeller fluid pump | |
| US2407218A | Fluid sealing device | |
| US2419385A | Flexible seal | |
| US2443480A | Power-driven vehicle | |
| US2365065A | Fluid sealing device |