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 |
| 6250295 | Tool A tool for treatment of rock, masonry or concrete by drilling, grinding or cutting off, the tool has a plurality of cutting segments each having a plurality of bonded cutting bodies formed as diamond crystals and subjected to an abrasive wear during an op... | 06/26/2001 |
| 5833520 | Mirror polishing device A device for mirror-polishing the end of an optical fiber connector or similar elongate workpiece into a convex shape. A first grindstone polishes the workpiece while a second grindstone corrects the work surface of the first grindstone when it is deforme... | 11/10/1998 |
| 5209020 | Method of and apparatus for profiling grinding wheels A method and apparatus for profiling a grinding wheel (12) used to grind a workpiece (6) includes selectively feeding the grinding wheel radially against a dressing roller (19) to dress the wheel. Between successive dressing operations, the dressing rolle... | 05/11/1993 |
| 5042205 | Process and apparatus for finish grinding splines or gear teeth A process and apparatus for finish grinding splines or teeth on workpieces is disclosed which includes a device to check the cross-sectional shape of the grinding portion of the grinding wheel between grinding steps. when a grinding wheel is withdrawn fro... | 08/27/1991 |
| 4805585 | Radius dressing apparatus A dresser carried on a pivotal dresser holder arm is adjustable in position relative to the pivot axis of the arm by a computer control unit using closed loop servo feedback from a position transducer to successively dress different radii and/or shapes (c... | 02/21/1989 |
| 4799472 | Method of and arrangement for dressing grinding wheels Dressing of grinding wheels is performed by a dressing tool which is displaced first to be brought into contact with a grinding wheel and the contact is determined by measuring an electrical voltage of a piezoelectric element connected with the dressing t... | 01/24/1989 |
| 4571892 | Method of dressing grinding wheels in grinding machines In a grinding machine wherein a first carriage for the grinding wheel is movable at right angles to the axis of the grinding wheel toward and away from a second carriage which supports a dressing tool as well as the reciprocable or pivotable sensor of a d... | 02/25/1986 |
| 4213277 | Method for dressing a grinding wheel A method of intermittently dressing the ring-shaped surface or active rim of an axially adjustable dished grinding wheel of a gear grinding machine and which active rim acts upon a workpiece. The position of the active rim is controlled and the grinding w... | 07/22/1980 |
