Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6837482 | Sealing arrangement for thermally enhanced sealing A sealing arrangement and method are disclosed for enhancing a seal in response to conditions of changing temperature. An annular seal is disposed in an annular sealing cavity, with the seal and the cavity having different changes in dimensions in response to a temp... | 01/04/2005 |
| 5551471 | Valve with consumable vent hole seal device A valve with a rotatable valving member has a vent hole extending between an internal cavity of the valve and another location to which excess pressure can be vented. The vent hole is sealed with a consumable vent hole seal device that ruptures or otherwi... | 09/03/1996 |
| 5402983 | Combined metal and plastic diaphragm assembly for a valve A sealing assembly for a valve with a rotary actuating shaft includes a top seal formed of a plastic diaphragm and a metal diaphragm, both of which are in sealing relationship with the actuating shaft. The metal diaphragm has a cantilever supported lip th... | 04/04/1995 |
| 5335692 | Valve having rotatable cage A valve has an on-off control member disposed about an independently rotatable dynamic control member. The on-off control member, which interfaces with a sealing means, may be rotated to a closed position for shutoff purposes. Throttling operation is achi... | 08/09/1994 |
| 5326074 | Enhanced sealing arrangement for a rotary valve shaft A valve has an actuating shaft packing assembly for located in a valve enclosure cover for preventing leakage of process fluid into the space between the actuating shaft and the cylindrical sidewall of a bore in the cover. The assembly includes an annular... | 07/05/1994 |
| 5244008 | Valve lockout assembly A valve lockout assembly for preventing mistaken operation of a valve includes an outer hub and an inner collar that are concentrically disposed about the actuating shaft of a valve. The outer hub engages the valve cover which prevents the hub's rotation.... | 09/14/1993 |
| 4813650 | Valve seat retainer A valve body with a tapered annular recess for receiving a correspondingly tapered valve seat retainer forms a valve assembly wherein the retainer may be easily removed for maintenance purposes by field service personnel without special tools. The retaine... | 03/21/1989 |
| 4809948 | Butterfly valve assembly and method of making same A butterfly valve assembly and method of making the same are provided wherein such valve assembly has a valve body structure and a closure structure and is provided with a new device for locking, in its closed position, a shaft assembly which is used to o... | 03/07/1989 |
| 4715400 | Valve and method of making same A fluid control valve and method of making same are provided wherein such valve comprises a valve body structure having a fluid flow passage therethrough and a first sealing surface and a closure structure for controlling fluid flow through the passage wi... | 12/29/1987 |
| 4690164 | Valve assembly and method of making same A valve assembly for a fluid-containing tank and method of making same are provided wherein such valve assembly has a flow passage therethrough and such flow passage has a central rectilinear flow axis and an inlet and an outlet which have central axes co... | 09/01/1987 |
| 4688594 | Butterfly valve assembly and method of making same A butterfly valve assembly and method of making the same are provided wherein such valve assembly has a valve body structure and a closure structure and is provided with a new device for locking, in its closed position, a shaft assembly which is used to o... | 08/25/1987 |
| 4678159 | Manually actuated fluid flow control valve and method of making same A manually actuated fluid flow control valve assembly and method of making same are provided wherein the valve assembly has an associated support structure and has a manually operated handle operatively connected to a closure device for the valve assembly... | 07/07/1987 |
| 4663601 | Magnetic switch housing assembly A housing assembly for a magnetically controlled element used to detect the angular position of a rotatable shaft includes at least one cavity for holding a corresponding number of insertable switch capsules, which capsules are preferably removable. The c... | 05/05/1987 |
| 4617957 | Rotary plug valve A rotary plug valve has a frusto-conical valve plug (4) received within a frusto-conical valve chamber with a tapered valve liner (3) being provided between the two. The chamber and the plug are oppositely tapered so that by axial movement of the plug the... | 10/21/1986 |
| 4610266 | Valve assembly for securing a cover to a valve body with fasteners which are free of tensile stress A valve assembly for securing a valve cover to a valve body includes a fastening arrangement wherein the fasteners are free of tensile stress. In one arrangement, an outwardly extending retaining skirt is disposed about an access opening in a valve body a... | 09/09/1986 |
| 4605036 | Valve housing with removable self-contained valving unit A self-contained, operative, valving unit which includes a valve body having inlet and outlet ports, and a rotatable valve plug is securely though removably housed within a valve housing having inlet and outlet ports which are permanently secured to pipes... | 08/12/1986 |
| 4575046 | Valve seat retainer having a full uninterrupted gasket face A recessed seat retainer for a valve is secured in an annular recess on the face of a valve body by a totally internally disposed key system which does not create an external leak path. An annular keyway is formed in the cylindrical sidewall of a seat ret... | 03/11/1986 |
| 4559967 | Valve and method of making same A fluid control valve and method of making same are provided wherein such valve comprises a valve body structure having a fluid flow passage therethrough and a first sealing surface and a closure structure for controlling fluid flow through the passage wi... | 12/24/1985 |
| 4542763 | Butterfly valve assembly and method of making same A butterfly valve assembly and method of making the same are provided wherein such valve assembly has a valve body structure and a closure structure and is provided with an improved device for locking, in its closed position, a shaft assembly which is use... | 09/24/1985 |
| 4531537 | Plug valve for reduced leakage A plug valve has an actuating stem which is non-integral with the valve plug. The actuating stem is axially movable with respect to the valve plug to compressingly and sealingly engage an external sealing member in response to fluid pressure. The plug wed... | 07/30/1985 |
| 4527769 | Apparatus for moving a controlled member to a predetermined position A fail-safe actuator of the type which permits cycling of a control member during normal operation without encumbrance from a return mechanism includes a link having a slot. A pin secured to a crankshaft coupled to the controlled member is slidably dispos... | 07/09/1985 |
| 4518149 | Valve assembly and method of making same A valve assembly for a fluid-containing tank and method of making same are provided wherein such valve assembly is mounted on a saddle fixed to a bottom portion of the tank and such valve assembly comprises a housing structure having a fluid inlet and a f... | 05/21/1985 |
| 4503675 | Fail-safe actuator with fusible link An apparatus for moving a controlled member, as for example a valve, to a predetermined position in response to temperature conditions includes a bearing member which overcomes a force exerted by an energy storage device within a predetermined temperature... | 03/12/1985 |
| 4494730 | Plug valve with improved plastic sleeve A plug valve and method of making same are provided wherein the valve has an outer housing and a flow passage extending through the housing and including an inlet and an outlet interconnected by a bore therebetween. A plastic sleeve is disposed within the... | 01/22/1985 |
| 4478388 | Plug valve with removable lip insert means A plug valve and method of making same are provided wherein such valve has lip inserts removably installed between an outer housing of the valve and diametrically opposed ports in a plastic sleeve which serves as a liner for the inside surface of the oute... | 10/23/1984 |
| 4475713 | One piece top seal for a valve A centrally apertured unitary one piece top seal for a rotary plug valve includes two distinct portions. The first of these portions has a truncated triangular cross sectional configuration with the second portion being circumferentially disposed about th... | 10/09/1984 |
| 4475712 | Fluid valve and method of making same An improved fluid valve and method of making same are provided wherein the valve has a rotatable closure member which is operated by a rotatable actuating device and which extends transverse the fluid flow axis of the valve, and, the actuating device has ... | 10/09/1984 |
| 4462568 | Valve construction and method of making the same A valve construction and method of making the same are provided, the valve construction comprising a housing having a valve chamber therein, a valve member rotatably carried by the housing in the valve chamber thereof and having a valve stem extending fro... | 07/31/1984 |
| 4460155 | Tank discharge valve with pressure assisted seat A plug valve for controlling discharge of a fluid tank has an upper surface continuously subjected to the weight and pressure of the tank's contents. Pressure applied to this upper surface is transmitted through the valve to assist sealing with a member s... | 07/17/1984 |
| 4426888 | Apparatus for sampling material from a remote location A system for sampling material from a remote location which selectively collects a predetermined quantity of material in a valve disposed inside a container. This measured amount of material is transferred to a movable receiving carrier while the receivin... | 01/24/1984 |
| 4418889 | Fire safe seat for a valve A novel seat especially adapted for a butterfly valve is provided which is formed both of metal and "soft" material so as to furnish a "bubble tight" seal in normal operating conditions and a metal-to-metal seal in fire situations. The seat is uniquely co... | 12/06/1983 |
| 4410003 | Rotary plug valve A rotary plug valve has a tapered plug received within a frusto-conical chamber in a valve housing. A liner between the plug and chamber wall comprises a rigid metal cage partly enclosed by plastics material to provide a seal with the plug and the chamber... | 10/18/1983 |
| 4365646 | Valve assembly A valve assembly for use in a system carrying radioactive slurry. The valve assembly consists of a valve body with a bore, an inlet and an outlet port communicating with the bore; a valve member having a passage extending therethrough. The valve member is... | 12/28/1982 |
| 4342444 | Ball valve assembly A ball valve assembly includes a ball valve housing formed of a single body having a passage extending therethrough with a first portion of the passage having a smaller diameter than a second portion of the passage. The second portion of the passage has a... | 08/03/1982 |
| 4333632 | Lip seal A plug valve is provided with primary, secondary and tertiary seals. The primary seal includes an apertured sleeve which envelopes a plug portion of a valving member. The secondary and tertiary seals are provided by a delta ring and a lip of a diaphragm r... | 06/08/1982 |
| 4289296 | Bidirectional axially pliant pressure assisted seat for a valve A valve seat especially adapted for a high performance butterfly valve is characterized by flexing axially rather than stretching radially when the seat interfaces with a closure member. In the preferred form, a seat has a support member embedded therein ... | 09/15/1981 |
| 4275642 | Air actuated fail-safe actuator encapsulated within accumulator tank A fail-safe, air actuated actuator mechanism is completely housed within and sealed interiorly of an accumulator tank in which a quantity of fail-safe actuating air is stored, under pressure.... | 06/30/1981 |
| 4274436 | Wafer-type swing check valve construction A wafer-type swing check valve construction having a metallic housing body provided with an inlet and an outlet interconnected together by a valve seat that is adapted to be opened and closed by the effect of a pressure differential acting across a metall... | 06/23/1981 |
| 4248104 | Method of and means for providing a cam-actuated, spring-return mechanism wherein the torque output is a function of the cam profile The profile of the cam, of a cam-actuated, spring-return mechanism of the type which includes a cam-shaft, a cam-follower, a cam-follower-shaft and spring means having a given spring rate and initial preload, is shaped in such a manner, that for a particu... | 02/03/1981 |
| 4130182 | Rotary spring-return actuator with safety feature A rotary spring-return actuator is provided with a combination safety clutch and travel stop wherein the safety clutch is secured relative to the housing of the spring-return actuator in such a manner as to insure that the potential energy within the spri... | 12/19/1978 |
