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 |
| 7374211 | Rotary joints Rotary joints are provided, to allow fluid to flow from a stationary member to a rotating member. The rotary joints include a housing, configured to fit over the rotating member, a rotatable coupling disposed within the housing, configured to be fixedly attached to ... | 05/20/2008 |
| 7150477 | Rotary joints Rotary joints are provided, to allow fluid to flow from a stationary member to a rotating member. The rotary joints include a housing, configured to fit over the rotating member, a rotatable coupling disposed within the housing, configured to be fixedly attached to ... | 12/19/2006 |
| 6435513 | Combined brush seal and labyrinth seal segment for rotary machines A brush seal is comprised of arcuate seal segments having ends cut in a radial direction with bristles "canted" at an approximate 45° angle relative to radii of the segments, leaving triangular regions adjacent one end of each segment devoid of bristles ... | 08/20/2002 |
| 6257586 | Combined brush seal and labyrinth seal segment for rotary machines A brush seal is comprised of arcuate seal segments having ends cut in a radial direction with bristles "canted" at an approximate 45° angle relative to radii of the segments, leaving triangular regions adjacent one end of each segment devoid of bristles ... | 07/10/2001 |
| 6257588 | Brush seal and rotary machine including such brush seal The brush seal includes manually-flexible, plastic-containing, brush-seal bristles attached to an elongated bristle holder. The rotary machine has a rotor and stator casing segments with segments of the brush seal positioned one each in a surface groove o... | 07/10/2001 |
| 6164935 | Walking beam compressor A walking beam compressor has a rod collar assembly attached to the top cap of the compressor cylinder with bearings which reduce side loading on the seals and bearing surfaces in the top cap. A top cap assembly supports a pair of vertically stacked seals... | 12/26/2000 |
| 5284347 | Gas bearing sealing means A gas bearing face seal assembly for a gas turbine engine having improved sealing characteristics. The assembly can include support means which concentrically position a face seal member with respect to a seal radius, while permitting translation of the f... | 02/08/1994 |
| 4916892 | High pressure seal In a gas turbine engine including first and second differentially rotating members coaxial with each other, a low pressure region disposed about the first and second differentially rotating members, and an annular gas flowpath disposed within the first an... | 04/17/1990 |
| 4331337 | Air film-expanded gas seals A ring-shaped sealing member is configured to effect a seal between a shaft arranged to rotate in one sense within a housing at a relatively high rate--typically in excess of 10,000 r.p.m. The sealing member fits closely around the shaft but is split to a... | 05/25/1982 |
