| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 5 | |
| #3 | Brazil | 3 | |
| #4 | Spain | 3 | |
| #5 | France | 3 | |
| #6 | United Kingdom | 3 | |
| #7 | Italy | 3 | |
| #8 | Belgium | 2 | |
| #9 | Germany | 2 | |
| #10 | Israel | 2 | |
| #11 | Argentina | 1 | |
| #12 | Australia | 1 | |
| #13 | India | 1 | |
| #14 | Netherlands | 1 | |
| #15 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Electrical machinery and energy | |
| #5 | Thermal processes | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Animal care | |
| #2 | Unspecified technologies | |
| #3 | Gearing | |
| #4 | Electric switches | |
| #5 | Venting or aerating devices | |
| #6 | Bolts for doors or windows | |
| #7 | Air-conditioning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rosenberg Bernard L | 12 |
| #2 | Dugan James G | 8 |
| #3 | Hausske Gene W | 8 |
| #4 | Huston Kenneth G | 8 |
| #5 | Hancock Albert S Jr | 7 |
| #6 | Smith Shirley M | 7 |
| #7 | Hausske G | 4 |
| #8 | Dugan J | 4 |
| #9 | Rosenberg B | 4 |
| #10 | Huston K | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB1470232A | Hatching of eggs | |
| US3923006A | Method and apparatus for incubating eggs | |
| GB1395036A | Incubation and or hatching of eggs | |
| US3747568A | Egg rack and method of handling same | |
| US2706915A | Worm gearing | |
| US2671467A | Solenoid operated valve assembly | |
| US2516163A | Control switch | |
| US2571173A | Air circulating and humidifying device | |
| US2128439A | Door latch | |
| CA571903A | Solenoid operated humidity and cooling valves for incubators | |
| CA553627A | Worm gearing |