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 |
| 4148233 | Method of making a double-ended heading punch A punch for forming a fastener head has a shaped projection at each end and is releasably secured in a holder with one end abutting against a ledge on the inside of the holder and the other end extending beyond the holder. The shaped projections are forme... | 04/10/1979 |
| 4091692 | Bit holder A bit holder consisting of steel, said bit holder comprising a bore for accommodating the bit shaft and being welded to the cutting head of a cutting machine, characterized in that the bit holder consists of a part of heat-resistant steel of high strength... | 05/30/1978 |
| 4074449 | Method of making a loader bucket cutting edge with recessed bolt studs A loader bucket comprises a bottom wall having an elongated general purpose edge disposed forwardly thereon. A reversible cutting edge is bolted onto an underside of the general purpose edge, along with a plurality of laterally spaced adapters each having... | 02/21/1978 |
| 4061167 | Single piece tree shear blade having cylindrically curved cutting portion and method of making same A tree shear blade is formed by pressing a pre-shaped flat metal plate or blank into a die shaped to turn up opposite side and rear tabs of the blank to form mounting portions of the blade and to cylindrically curve a central portion of the blank to form ... | 12/06/1977 |
| 4039700 | Hard metal coating process for metal objects Powdered binder metal and hard metal granules are deposited in measured quantities on the cutting edge of a metal blade. When these materials both have a magnetic component, an electromagnet with an elongated air gap is used to pick up quantities determin... | 08/02/1977 |
| 4034451 | Turning tool with a cutting tip A turning tool comprises a shank and a separate extension member to which a cutting tip is attached. The extension member has at its rear side a convex cylindrical surface which extends over an arc of approximately 180° and to which the sidewalls are tan... | 07/12/1977 |
| 4000667 | Bending bar constructed by bending A pair of boring bars are constructed from a single double length straight bar by providing a central bend of suitable angle and curvature to provide a pair of offset supports for a pair of cutting inserts having cutting points projecting to an offset cut... | 01/04/1977 |
| 3993143 | Turf reconditioning apparatus and method A turf reconditioning apparatus adapted to aerate and relieve the compaction of the soil, and comprising a plurality of cutting discs disposed along a supporting drive shaft, and with each cutting disc comprising a plurality of curved blades defining a sh... | 11/23/1976 |
| 3990338 | Laminated saw blade The present invention relates to a method in the production of rotatable tools, such as saw blades or similar, comprising at least two preferably metallic discs interconnected by means of glue, solder or any other binding means or adhesive wherein spacing... | 11/09/1976 |
| 3987693 | Heavy-duty live centers This invention pertains to the construction and method of construction of heavy-duty live centers having a workpiece carrying capacity of from 35 to 250 tons. A quill-type outer member is employed with heavy-duty roller bearings in one portion of this cen... | 10/26/1976 |
| 3945807 | Metal tool A tool such as a drill, etc. made of a hard metal, e.g., a cemented carbide, having applied thereto a coating film of a noble metal such as gold, silver, platinum, etc. by means of an ion-plating treatment.... | 03/23/1976 |
