| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 17 | |
| #2 | Austria | 2 | |
| #3 | France | 2 | |
| #4 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Computer technology | |
| #5 | Mechanical elements | |
| #6 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nash Lewis Hallock | 9 |
| #2 | Bergman Charles P | 2 |
| #3 | Barnes Llewellyn T | 2 |
| #4 | King Frederick S | 1 |
| #5 | Whittaker Alexander R | 1 |
| #6 | Kelley Robert S | 1 |
| #7 | Barge Raymond H | 1 |
| #8 | Nash Lewis H | 1 |
| #9 | Kelley John C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2189750A | By-pass compensator for meters | |
| US2206540A | Temperature compensated fluid measuring system | |
| US2111547A | Accuracy regulator | |
| US1849491A | Cut-off valve for water supply systems | |
| US1232180A | Water-meter or meter system. | |
| US1127849A | Water-meter. | |
| US950636A | Water-meter piston. | |
| US957082A | Meter-register. | |
| US836820A | Meter-register. | |
| US832619A | Water-meter-controlling device. | |
| US760750A | Mixer and governor for gas-engines. | |
| US638668A | Speed-transmitting device. | |
| US696692A | Water-meter. | |
| US674385A | Fuel-supply pump. | |
| US658858A | Gas-engine. | |
| US746133A | Gas-engine. | |
| US675101A | Water-meter. | |
| CA370404A | Accuracy regulator |