| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 6 | |
| #2 | United States | 6 | |
| #3 | United Kingdom | 3 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Dairy products production | |
| #2 | Rotary-pistons | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies | |
| #5 | Pipes | |
| #6 | Lubricating |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rawson Emanuel | 3 |
| #2 | Emanuel Rawson | 3 |
| #3 | Wall Sam P | 3 |
| #4 | Mcarthur Herbert A | 2 |
| #5 | Decker John B | 2 |
| #6 | Smith Marvin J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB665598A | Suspended milker | |
| US2626590A | Milk line nipple | |
| GB629746A | Milking machine pulsator | |
| GB633524A | Vacuum pump | |
| US2496676A | Vacuum pump | |
| US2523795A | Milking machine pulsator | |
| US2495601A | Pump oiling means | |
| US2451456A | Stall cock | |
| US2508960A | Milking machine | |
| CA489660A | Milking machine pulsator | |
| CA476125A | Milking machines | |
| CA460780A | Vacuum pump | |
| CA477495A | Milking machine pulsators | |
| CA445000A | Pump oiling means | |
| CA475010A | Milking machine pulsators |