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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 |
| 7303179 | Split packing follower for use with valves Split packing followers for use with valves are disclosed. A disclosed packing follower includes a first member having a first portion of a flange and a first portion of a curved wall extending substantially perpendiculary from the first portion of the flange to def... | 12/04/2007 |
| 7214039 | Integrated ratio pump and check valve apparatus A pump apparatus is provided which comprises a plurality of displacement pumps each connected to a check valve apparatus. The displacement pumps each comprises a reciprocating piston within a housing having an interior wall spaced apart from the piston. The check va... | 05/08/2007 |
| 7121554 | High-pressure sealing In a high-pressure cylinder with an axial plunger, a seal assembly for scaling the gap between the cylinder wall and the plunger. The assembly is disposed in an annual recess in the wall having an open end and a bottom opposite thereto, and comprises a plunger-seali... | 10/17/2006 |
| 7108058 | Packing assembly for rotary drilling swivels and pumps having rotating shafts A packing assembly for use with a rotary drilling swivel having a cylindrical wash pipe comprising a housing assembly including a packing gland forming a sealing assembly chamber around the wash pipe, the packing gland including an injection port in open communicati... | 09/19/2006 |
| 6817228 | Method and apparatus for detecting seal failure Pumps and valves with movable parts, such as a plunger, typically have seals around the part. The seals may isolate one chamber from another to prevent leakage across the seals. The pressure in one chamber may be different from the pressure in another adjacent chamb... | 11/16/2004 |
| 6796324 | Fugitive emission collection device A fugitive emission collection device for acquiring an atmosphere sample around a seal is provided. The emission collection device has a rigid member that forms a low impedance cavity shaped to overlay a seal. The emission collection device has a conduit with an inl... | 09/28/2004 |
| 6637749 | Seal for clean-in-place enclosure for a packaging machine A seal for the selective sealing of a rod which is reciprocatable within an opening through the wall of an enclosure such as the filling station of a packaging machine, the seal being actuatable to selectively provide a fluid-tight seal between the rod an... | 10/28/2003 |
| 6394461 | Pressure compensated stuffing box for reciprocating pumping units A packing arrangement for a reciprocating pumps, particularly oil well pumps, in which a stuffing box housing contains a pressure chamber, packing seals mounted within the pressure chamber, a pump rod extending through the housing and the packing seals wi... | 05/28/2002 |
| 6302401 | Stuffing box seal assembly In accordance with illustrative embodiments of the present invention, the arrangement of a combination stuffing box and pressure transmitter system for use with a reciprocating or rotating rod on pumps or pumping systems is disclosed. The stuffing box ass... | 10/16/2001 |
| 5938207 | Heat engine rod seal system A rod seal system having a pair of rod seals that form a buffer area between a high pressure area containing working gas and a low pressure area of a heat engine, such as a Stirling cycle engine. A pump that becomes passively charged with working gas at r... | 08/17/1999 |
| 5908044 | Quadra-seal method and apparatus for operations upon fluid pressure containment bodies An apparatus for injecting sealant into the packing chamber of a valve requiring no venting of pressure within the valve. The apparatus which includes an interior valve is attached to the valve body by drilling and tapping a connection or by friction weld... | 06/01/1999 |
| 5908046 | Back seat rising stem gate valve A back seat rising stem gate valve has a valve body with a flow passageway through it and an open top, a gate that is vertically positioned to open and close the passageway, a stem extending upwardly from the valve body, the lower end of the stem being at... | 06/01/1999 |
| 5791655 | Method for controlling oil in a press A dynamic oil control mechanism for a press including a vacuum inducing ejector or jet-pump to vacuum oil leaking from about an oil seal. The oil seal is located around the drive piston on the press slide to prevent oil migration from the press crown to t... | 08/11/1998 |
| 5305854 | Stuffing box lubricator Apparatus for lubricating pistons having a pressure metered lubrication reservoir in fluid flow attachment with the piston through a lantern port in the wall of the stuffing box surrounding the piston. A check valve in fluid flow alignment between the stu... | 04/26/1994 |
| 5107970 | High pressure sealing system and method A sealing system for a hydraulic actuator is disclosed which is operable to selectively change the frictional sealing force exerted on a piston rod in response to the fluid pressure acting on the sealing system. The sealing system includes a leakage chamb... | 04/28/1992 |
| 5056758 | Valve stem packing structure A packing for sealing between a valve stem 31 and valve bonnet 21 which receives the valve stem in a bore 34 formed therein. The packing is accommodated in a packing chamber 41 formed in the valve stem bore 34 which comprises a lower set of packing rings ... | 10/15/1991 |
| 5014998 | Shaft seal A shaft seal for sealing a rotating shaft relative to a panel or wall of a device from which the shaft extends. The shaft seal has a tubular housing including a packing gland for shaft packings which is floatingly mounted to a wall or panel of the device ... | 05/14/1991 |
| 4945724 | Apparatus for collecting hydraulic leakage fluid Hydraulic fluid leakage collection apparatus that includes an annular collection chamber that is carried in a cylindrical member within which a piston member is movable. A seal and wiper are carried by the clamp cylinder of an injection molding machine to... | 08/07/1990 |
| 4737087 | Drive shaft seal for gear pump and method A seal for the drive shaft of a gear pump for polymeric materials dissolved in a fluid solvent is disclosed, and which is adapted to prevent the polymeric material from leaking and hardening on the drive shaft. The seal includes a pair of axially spaced a... | 04/12/1988 |
| 4613140 | Self-aligning lubricating stuffing box A self-aligning and self-lubricating stuffing box for oil well polish rods, pump rods and the like, and comprising a housing disposed around the outer periphery of the rod and having an internal cooling chamber surrounding the outer periphery of the rod f... | 09/23/1986 |
| 4586718 | Sealing assembly with floating gland means for rotatable shafts A sealing assembly suited for use in a high temperature and/or high pressure environment with a device such as a pump having a rotatable shaft. The sealing assembly comprises a sealing ring including a body portion having a flange with an end face at one ... | 05/06/1986 |
| 4552369 | Stem sealing for high pressure valve A stem sealing apparatus having a plurality of inserts (40, 42, 44, 46) for accepting a flowable sealant (52, 54) between deformable seal rings (60, 62). The inserts are loosely stacked (100), and maintained in compression between a packing gland (50) and... | 11/12/1985 |
| 4475735 | System for sealing shafts against solid containing gaseous media A system of sealing a shaft from a wearing gaseous compressed medium includes a sealing box arranged on a shaft, a source of scavenging gas, a lubricating element which communicates with the source of scavenging gas so that a lubricant in the lubricating ... | 10/09/1984 |
| 4247121 | Piston rod seal Leakage of gas is prevented by an oil seal established as an oil reservoir surrounding a piston rod. The reservoir is limited by spring-influenced plastic rings arranged in a seal housing. The springs are located at the low gas pressure side of the seal. ... | 01/27/1981 |
| 4177998 | Packing gland assembly A packing assembly for a valve shaft or stem (8) consisting of inner and outer telescoping expander sleeves or rings (44, 46) slidably received intermediately in a stuffing box (32) between two groups of elastomeric sealing rings (F, G). Semi-fluid plasti... | 12/11/1979 |
| 4017214 | Packing gland leak retriever device Disclosed is a leak retriever for the packing gland on oil well pumps. The leak retriever has a reservoir disposed about the packing gland to collect oil which leaks through the gland and an auxiliary pump which is mounted in the reservoir and connected t... | 04/12/1977 |
| 3955822 | Rod pump stuffing box control system A system for maintaining a constant biasing pressure upon the sealing members of a rod pump stuffing box utilizes a hydraulic system under a constant preset pressure to bias the seal member into sealing engagement against the pump polished rod. Means are ... | 05/11/1976 |
| 3943717 | Contaminant removal from a hydraulic cylinder A hydraulic cylinder comprises a piston reciprocally mounted in a housing thereof. A pair of annular sealing means, slidably receiving a rod of the piston, are disposed on either side of an annular chamber which has pressurized fluid pumped therethrough f... | 03/16/1976 |
