| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | Canada | 11 | |
| #3 | United Kingdom | 9 | |
| #4 | Germany | 8 | |
| #5 | Australia | 5 | |
| #6 | France | 5 | |
| #7 | Belgium | 4 | |
| #8 | Italy | 2 | |
| #9 | Switzerland | 1 | |
| #10 | Denmark | 1 | |
| #11 | Ireland | 1 | |
| #12 | Japan | 1 | |
| #13 | Netherlands | 1 | |
| #14 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Audio-visual technology | |
| #5 | Semiconductors | |
| #6 | Machine tools | |
| #7 | Measurement | |
| #8 | Materials and metallurgy | |
| #9 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Dairy products production | |
| #2 | Unspecified technologies | |
| #3 | Venting or aerating devices | |
| #4 | Casings and printed circuits | |
| #5 | Semiconductor devices | |
| #6 | Blasting | |
| #7 | Measuring volume | |
| #8 | Metal tempering | |
| #9 | Air-conditioning | |
| #10 | Spraying devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Duncan Lloyd P | 13 |
| #2 | Duncan Leon L | 8 |
| #3 | Duncan George R | 5 |
| #4 | Temple Donald L | 4 |
| #5 | Duncan Lloyd Phillip | 4 |
| #6 | Albright Penrose Lucas | 4 |
| #7 | Duncan Lloyd Philip | 3 |
| #8 | Duncan L | 3 |
| #9 | Heimann Bernard | 3 |
| #10 | Leon Hellmann | 2 |
| Publication | Filing date | Title |
|---|---|---|
| BE889605A | Milkers. | |
| NL8102853A | Dairy cow milking device - has enclosure body with main vacuum inlet and milk inlet nipple to direct milk at side and/or below float | |
| FR2507434A1 | Dairy cow milking device - has enclosure body with main vacuum inlet and milk inlet nipple to direct milk at side and/or below float | |
| DK249981A | milking machine | |
| GB2099677A | Milking device | |
| US4033656A | Low profile integrated circuit socket | |
| DE2324353A1 | THROTTLE FLAP VALVE | |
| AU5564273A | Butterfly valve | |
| CA985201A | Automatic milker release | |
| US3863671A | Vacuum regulator control | |
| GB1414742A | Milking systems | |
| IE37278B1 | Improvements in or relating to milking systems | |
| DE2305431A1 | MILKING EQUIPMENT | |
| AU5174973A | Automatic milker release | |
| US3837318A | Automatic milker release | |
| US3737144A | Butterfly valve | |
| GB1385511A | Teat cups for milking systems and to such milking systems | |
| AU3416671A | Milking systems | |
| DE2137623A1 | MILKING DEVICE | |
| CA955872A | Teat cup assembly |