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 |
| 4786942 | Image forming apparatus An electrostatic latent image formed on a surface of a photoconductor drum 61 of a copying apparatus is caused to be visible by a developing device 4. The developing device 4 comprises a toner tank 43 and a toner supply roller 44 for supplying toner to a ... | 11/22/1988 |
| 4784298 | Apparatus for feeding bulk material An apparatus for feeding bulk material includes a housing which accommodates a rotor arranged between an inlet port and an outlet port of the housing and having a plurality of radially extending vanes. The vanes are fixed on a shaft and provided with seal... | 11/15/1988 |
| 4529107 | Dispensing apparatus with reciprocating blade Apparatus for dispensing a comparatively fine, particulate material uniformly over a subjacent surface. The disclosed apparatus comprises a hopper assembly adopted to be mounted over the surface. The hopper assembly has sides defining a downwardly open, h... | 07/16/1985 |
| 4496075 | Rotary metering and dispensing apparatus A metering sleeve having radial openings in which radially extending plungers reciprocate to vary the effective volume of the openings, and a weight within the sleeve and connected to the plungers to reciprocate the latter in response to rotation of the s... | 01/29/1985 |
| 4392593 | Coffee powder metering device for coffee vending machines The present invention relates to a coffee powder metering device for coffee vending machines which, besides ensuring that all the coffee powder is metered out with no residue left behind, is also easy to manufacture. The metering device comprises in a structur... | 07/12/1983 |
| 4277003 | Developing material supplying device An improved developing material supplying device for use in a developing apparatus of an electrophotographic copying machine which includes a developing material supplying roller having at least one developing material measuring recess formed by cutting t... | 07/07/1981 |
| 4116323 | Apparatus for conveying objects one by one A conveyor having a plurality of indentations sufficiently wide to receive a single article and a bar transverse to the movement of the conveyor, the bar being suspended from filaments above the conveyor a distance sufficient to pass a single layer of art... | 09/26/1978 |
