| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 19 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Engines, pumps and turbines | |
| #5 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Measuring volume | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Counting mechanisms | |
| #5 | Nails | |
| #6 | Rotary pistons | |
| #7 | Shafts | |
| #8 | Pipes | |
| #9 | Gearing | |
| #10 | Machines for liquids |
| # | Name | Total Patents |
|---|---|---|
| #1 | Larrabee William H | 15 |
| #2 | Merrill Charles F | 2 |
| #3 | Northrop Frank L | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US1972525A | Frostproof water meter | |
| US1972526A | Water meter | |
| US1486111A | Compound meter-valve mechanism | |
| US1188360A | Compound water-meter. | |
| US1057854A | Water-meter. | |
| US998853A | Water-meter intermediate gearing. | |
| US1007296A | Rubber gear for water-meters. | |
| US931069A | Step-bearing for upright shafts. | |
| US979518A | Water-meter. | |
| US869320A | Water-meter. | |
| US803919A | Water-meter. | |
| US770812A | Meter-coupling seal. | |
| US771650A | Current water-meter. | |
| US760001A | Meter-register. | |
| US738836A | Rotary water-meter. | |
| US702226A | Disk water-meter. | |
| US702970A | Disk water-meter. | |
| US702225A | Disk water-meter. | |
| US702241A | Disk water-meter. |