| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | United Kingdom | 2 | |
| #3 | Germany | 1 | |
| #4 | Malaysia | 1 | |
| #5 | Singapore | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Machines | |
| #3 | Optics | |
| #4 | Packaging and shipping | |
| #5 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Animal care | |
| #2 | Unspecified technologies | |
| #3 | Transport or storage devices | |
| #4 | Devices using light amplification | |
| #5 | Footwear features |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hart Harold W | 8 |
| #2 | Hart Warren H | 7 |
| #3 | Dube Maurice T | 4 |
| #4 | Hart Michael W | 4 |
| #5 | W Hart Harold | 1 |
| #6 | Osborn Denis L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8319728D0 | Watering cup | |
| US4471722A | Watering cup | |
| US4476812A | Watering cup | |
| US4301768A | System for and method of feeding fowl | |
| US3952706A | Poultry watering device | |
| US3964440A | Poultry watering device | |
| US3983844A | Poultry watering device | |
| US3940106A | Latching valve for extendible watering system for fowls | |
| US3870022A | Poultry watering device | |
| US3664305A | Extendible watering system for fowls | |
| US3520281A | Water system for fowls | |
| US3428028A | Drinking cup for fowls | |
| GB1102676A | Apparatus for supplying water to fowls | |
| US3405686A | Watering system for newly hatched fowls |