| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 37 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Chemical engineering | |
| #4 | Mechanical elements | |
| #5 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Unspecified technologies | |
| #3 | Non-positive-displacement pumps | |
| #4 | Mixing | |
| #5 | Dairy products production | |
| #6 | Unspecified technologies | |
| #7 | Cyclically operating valves | |
| #8 | Venting or aerating devices | |
| #9 | Pistons and sealings | |
| #10 | Rotary-pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smith Karl D | 16 |
| #2 | Bird John C | 14 |
| #3 | Yohpe Reinhard A | 6 |
| #4 | Disbrow Donald R | 3 |
| #5 | Ambrose Frank F | 2 |
| #6 | Smith Earl D | 2 |
| #7 | Ordway Earl P | 1 |
| #8 | Bernard Samelson | 1 |
| #9 | Hendrickson Leo B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2777395A | Pump and packing thereof | |
| US2741991A | Pump and packing | |
| US2591902A | Washing and cooling means for the plungers of high-pressure homogenizer pumps and the like | |
| US2655870A | Reciprocating pump for food materials | |
| US2621017A | Packed valve | |
| US2272861A | Pressure gauge mounting | |
| US2272862A | Plunger packing | |
| US2328702A | Homogenizer valve structure | |
| US2137854A | Apparatus for homogenizing liquids | |
| US2057925A | Viscolizer valve | |
| US2146709A | Pump for viscolizer valves | |
| US2038263A | Viscolizer valve | |
| US2040537A | Viscolizer valve | |
| US1981025A | Pump | |
| US1963424A | Viscolizer valve | |
| US1909517A | Pump | |
| US1805824A | Air filter | |
| US1865504A | Rotary pump | |
| US1726633A | Pump | |
| US1328061A | Rotary pump |