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 |
| 7410141 | Industrial hanger for metal framing A hanger assembly for attaching to framing. The framing has a first vertical wall and a second vertical wall. The framing also has a top and a bottom. The framing has two bearing surfaces that form a plane that is located between the top of the framing and the botto... | 08/12/2008 |
| 7227434 | Tuning screw assembly The present invention relates to a tuning screw assembly comprising a sleeve (100) with internal threads for engaging a tuning screw (200) having external threads. The sleeve comprises a first threaded portion (32) which is axially displaced in ... | 06/05/2007 |
| 6652209 | Connection element A connection element for a bolt (2, 26) including a member (1, 27) for receiving the bolt (2, 26) and having a bore (4) through which the bolt (2, 26) extends, a spring (3) located in the bore (4) of the receiving member (1) for locking the bolt (2, 26) t... | 11/25/2003 |
| 5961266 | Anti-vibration bolt and nut structure An anti-vibration bolt and nut structure with the shank of a bolt including a plurality of axial teeth. The shank is received in an external threaded sleeve comprising a helical spring. An external wall of the sleeve includes a plurality of engaging inter... | 10/05/1999 |
| 4954032 | Anti-backlash nut An anti-backlash nut having a pair of nut segments, each with an internal threaded bore adapted to receive a threaded bolt. One nut segment has a portion insertable within the other nut segment and interlocking means are provided to lock the two nut segme... | 09/04/1990 |
| 4801231 | Self-driven nut and joinders incorporating it A self-driven nut having a relatively rotatable nut portion and anchor portion which are threadedly joined together. A spring rotatably biases them for relative rotation in one sense. A latch is provided to hold them against rotation with the spring compr... | 01/31/1989 |
