| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 21 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Consumer goods | |
| #5 | Engines, pumps and turbines | |
| #6 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Refrigerators | |
| #2 | Unspecified technologies | |
| #3 | Ice-boxes | |
| #4 | Pumps | |
| #5 | Clutches and brakes | |
| #6 | Electric switches | |
| #7 | Gearing | |
| #8 | Venting or aerating devices | |
| #9 | Domestic heating systems | |
| #10 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Greenwald Harold A | 12 |
| #2 | Heideman Fred J | 7 |
| #3 | Rainsford Thomas F | 3 |
| #4 | Whitehead Thomas C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1951655A | Supporting means for refrigerating apparatus | |
| US1826172A | Power transmitting device | |
| US1865563A | Humidifier | |
| US1797954A | Refrigerant control | |
| US1802813A | Seal construction | |
| US1761036A | Pump for refrigerating apparatus | |
| US1649584A | Compressor | |
| US1661661A | Compressor | |
| US1722699A | Condenser for refrigerating apparatus | |
| US1701179A | Brine tank | |
| US1718953A | Refrigerating apparatus | |
| US1696272A | Pump-valve assembly | |
| US1672125A | Pump assembly | |
| US1741458A | Brine tank | |
| US1679495A | Brake construction | |
| US1659104A | Pump construction | |
| US1715361A | Refrigerating apparatus | |
| US1701185A | Expansion valve | |
| US1704191A | Pressure-operated switch | |
| US1715386A | Refrigerating apparatus |