Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 6401655 | Milking claw with concave window A milking claw having a barrel-type body and a pair of windows for enclosing a chamber therebetween includes a seal which prevents engagement between the windows and the body. The seal is preferably a rubber seal molded to the perimeter of the window. The... | 06/11/2002 |
| 6298807 | Top unloading tapered barrel claw A barrel claw of increased volumetric capacity without sacrificing ergonomics has a normally horizontally disposed, elongated hollow body having a generally cylindrical central portion and a pair of tapered, conical end portions on opposite sides of the c... | 10/09/2001 |
| 5628964 | Mastitis detecting device A device for detecting, in the early stages of infection, the presence of mastitis, as well as other impurities, in an individual cow or other milk producing animal, using a filter, preferably made of polyester and being disposable, which filters all milk... | 05/13/1997 |
| 4955408 | Vacuum-control valve for milking systems A vacuum-control valve for milking systems, with a valve body that is positioned upright and moves axially inside a housing and has a conical projection extending into an air-intake, with the valve-body cross-section changing as it moves axially, whereby ... | 09/11/1990 |
| 4873943 | Milk flow indicator A portable self-contained milk flow indicator is provided for dairy barn applications. The milk flow indicator consists of a milk sensing device, a timing and switching circuit, indicators of the condition of milk flow, and a rechargeable battery, all sea... | 10/17/1989 |
| 4756274 | Optical milk flow detector and vacuum shutoff for milker An infrared light sensor outside the milk flow path is connected with an end of milking indicator. The light sensor is connected with a milk flow detector which actuates the indicator giving a visual or audible signal when milk flow ceases. Vacuum is shut... | 07/12/1988 |
| 4376053 | Method and system employing a filter-detector for detecting mastitis in cows A method for early detection of mastitis in cows, effected during normal milking of cows in a milking parlor, by monitoring the milk taken from each cow for the presence of milk clots, comprises cutting the vacuum milk line to each milking station and ins... | 03/08/1983 |
