| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | Canada | 2 | |
| #3 | France | 2 | |
| #4 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Measuring volume | |
| #2 | Unspecified technologies | |
| #3 | Machines for liquids | |
| #4 | Venting or aerating devices | |
| #5 | Steam turbines | |
| #6 | Rotary pistons | |
| #7 | Servomotors | |
| #8 | Non-positive-displacement pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chrisman Horace | 15 |
| #2 | Munroe Daniel A | 2 |
| #3 | Wittmer George X | 1 |
| #4 | Chresman Horace | 1 |
| #5 | Meter Company Pittsburg | 1 |
| #6 | Wittmer Xavier | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1118922A | Metering device. | |
| US1118921A | Meter system. | |
| US1186548A | Valve structure. | |
| CA133220A | Meter system | |
| US1078257A | Meter. | |
| US1120905A | Meter system. | |
| US1119684A | Meter. | |
| US1089393A | Gas-meter. | |
| US1134373A | Means for measuring and indicating flows. | |
| US933159A | Gas-meter. | |
| US1094058A | Water-meter. | |
| US1056438A | Water-meter. | |
| US1190251A | Current-meter. | |
| US1031689A | Water-meter. | |
| US822428A | Meter for measuring liquids. | |
| US792118A | Dry gas-meter. | |
| US716973A | Recording apparatus for fluid-meters. | |
| US765220A | Gas-meter. | |
| CA72321A | Fluid meter | |
| US677558A | Fluid-meter. |