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| Number | Title | Issue Date |
| 7267322 | Wet well valve A valve assembly provides the ability for internal tank operations providing novel and unique methods for intricate measurement, monitoring, sampling, mixing, isolation, evaluation or other tasks desired inside tanks, vessels, piping or flow applications. The valve ... | 09/11/2007 |
| 7131277 | Cryogenic vessel with an ullage space venturi assembly A cryogenic vessel includes a first, outer vessel assembly having an outer vessel and a liquid fill line assembly and a second, ullage space vessel having a bottom and disposed within the first, outer vessel, adjacent to the top of the first, outer vessel. The liqui... | 11/07/2006 |
| 7131455 | Tank car manway cover A manway cover assembly for a railroad tank car. The manway cover assembly is moveable between a closed position in covering relationship with a manway nozzle and an open position that permits access into the tank car. The manway cover assembly includes a manway cov... | 11/07/2006 |
| 6938654 | Monitoring of ultra-high purity product storage tanks during transportation System for the transportation and storage of a product which comprises a tank including cylindrical wall section and two ends, wherein the cylindrical wall section and two ends define a cylindrical tank periphery, and wherein the tank periphery has an interior and a... | 09/06/2005 |
| 6908068 | Adapters and adapter systems for valve closure systems and valve closure assemblies A valve closure assembly (50) for remotely and automatically closing railway tank car valves (V1, V2, V3, V4) characterized by a series of novel adapters (180, 240, 242, 244, 252, 254) for enabling one valve closure assembly... | 06/21/2005 |
| 6805153 | Hose connector template apparatus The present invention relates to an apparatus for restricting access to ports that may be disposed in a bonnet to house valves on a railcar. More specifically, the present invention relates to a template that may be lowered over the bonnet of the railcar wherein the... | 10/19/2004 |
| 6651703 | Transportation and storage of ultra-high purity products A system for the transportation and storage of a product comprising a tank including a cylindrical wall section and two ends which define a cylindrical tank periphery, wherein the tank periphery has an interior and an exterior; a recessed valve box includ... | 11/25/2003 |
| 6640502 | Ceiling leak capture and drainage system A fluid leak capture and drainage system for ceiling leaks which includes a ceiling panel support grid and a plurality of ceiling panels mounted thereon is disclosed. The ceiling panel has a raised platform located in the center of the panel and a wall ex... | 11/04/2003 |
| 6328064 | Fluid tank drain pipe support/guide member A drain pipe support advantageously acts as a guide for insertion of a drain pipe and secures the drain pipe in a desired position for draining of a fluid filled tank. Additionally the drain pipe support also advantageously guides fluid into the drain pip... | 12/11/2001 |
| 6213449 | Handles for bottom outlet valve assembly A bottom outlet valve for a tank car having a bottom is provided. The valve includes a nozzle projecting from the bottom of the tank car and defining an opening and having a locking member, an outlet cap shaped and dimensioned to cover the opening and mov... | 04/10/2001 |
| 6186165 | Hot water delivery device for application to trucks, tractor-trailer vehicles and the like The invention relates to a hot water delivery device (20), for application to trucks, tractor-trailer vehicles and the like, including a water tank (1) which can be housed in a casing (10) rigid with the platform of the vehicle The main feature of the inv... | 02/13/2001 |
| 6112762 | Top operated bottom outlet valve assembly A bottom valve assembly is provided for a tank car having a top portion, a bottom portion, and a manway disposed in the top portion. The assembly includes a valve seat disposed in the bottom portion of the tank car and defining an outlet opening and a plu... | 09/05/2000 |
| 5785078 | Safety vent housing A safety vent for a railroad tank car has a housing mounted about an opening on the top of the car. The housing body defines a cavity which contains a surge protector and a rupture disk. The rupture disk is designed to open at a known pressure and allow c... | 07/28/1998 |
| 5465753 | Safety vessel and valve assembly A safety vessel and valve assembly for storage and transport of chemicals is disclosed. The assembly includes a vessel housing a series of retracted valves. A thickened mounting plate provides an area to mount and protect the valves within the vessel, whi... | 11/14/1995 |
| 5386845 | Fluid transport apparatus with side recessed fitting well A tube well extends through a fluid containment compartment and is secured at both ends thereof to the compartment shell. Both ends of the well communicate with respective shell openings. Compartment fittings and/or equipment are positioned in the tube an... | 02/07/1995 |
| 5222517 | Fluid containment vessel with one or more recessed wells A fluid transport apparatus including a fluid transport tank having a tank shell defining a fluid compartment within it. A well connected to the shell at an opening through the shell is recessed into the perimeter of the compartment. The well and its cont... | 06/29/1993 |
| 5218911 | Split skid protection casting and insert adapter for replacement outlet valve of a tank car A skid protective casting and adapter for a tank car for retrofitting a new outlet bottom valve on a tank car. The skid protective casting includes two separate sections having sloped bottom surfaces. The skid protective casting is welded in a manner that... | 06/15/1993 |
| 5211202 | Fluid apparatus with pressure-tight recessed well A fluid apparatus including a fluid tank having a shell and defining a fluid containment compartment. A well is recessed into the fluid tank at an opening in the shell. The well has a well wall secured to the shell and a support ring at the shell opening ... | 05/18/1993 |
| 5141013 | Fluid containment apparatus A fluid containment apparatus including first, second and third protective recessed wells. A first fluid flow device is positioned in the first well, a second fluid flow device in the second well, and control equipment in the third. First and second contr... | 08/25/1992 |
| 4890646 | Flexible siphon pipe for tank car An eduction or siphon pipe in a railway tank car extends from adjacent a bottom sump area to a fitting in a top area of the car. The railway tank car has a generally curvilinear inner wall, and the eduction pipe is provided with a shape corresponding to t... | 01/02/1990 |
| 4889160 | Antitamper vent arrangement for a receptacle or enclosure A two-way tamper-proof vent arrangement especially constructed for food grade receptacles and tanks is disclosed. The vent arrangement includes inner and outer stainless steel inverted cup members which are nested together and are concentrically mounted o... | 12/26/1989 |
| 4697528 | Railway tank car with protective device for protrusion A protective flange is provided for the protection of a protrusion or valve on the surface of a tank car. The flange has an inner arcuate wall and an outer deflection portion for receiving impacts. The inner wall is annular and spaced from the protrusion ... | 10/06/1987 |
| 4414462 | Tank car heating system A heated railway tank car includes heating conduits arranged on the tank and filled with a heating fluid and coupled to an electrically driven pump and heat exchanger in a closed-loop system for heating and continuously recirculating the heating fluid thr... | 11/08/1983 |
| 4398557 | Combination vacuum relief valve and pressure relief valve A combination vacuum relief valve and pressure relief valve assembly includes a top cover plate which is movable vertically to vent a predetermined pressure in the tank above atmospheric. The top cover plate is resiliently mounted with springs which resil... | 08/16/1983 |
| 4394002 | Mounting flange for wafersphere bottom outlet valve In accordance with the present invention a tank bottom (12) is provided with a lading opening (14) therein. A mounting flange (16) is mounted within this opening. This mounting flange includes a tapered portion (18, 18') extending longitudinally on either... | 07/19/1983 |
| 4323096 | Combination vacuum relief valve and pressure relief valve which are protected from the atmosphere A vacuum relief valve assembly includes a vacuum valve member located below a top cover plate and is thus protected from the atmosphere. First passageways defined in part by a bottom cover plate provide communication between the outside atmosphere and the... | 04/06/1982 |
| 4278107 | Automatic vacuum relief valve for hopper cars An automatic vacuum relief valve assembly includes a cover plate closing an opening in a container to the atmosphere. A valve is vertically spaced below the cover plate and closes communication between the inside of the container and the outside atmospher... | 07/14/1981 |
| 4269220 | Tank valve mounting arrangement A valve mounting flange connected over the outlet of a railway car tank includes a body having a tapered skirt which protects a release valve and other associated mechanisms against breakage which could result in rupture of the tank shell.... | 05/26/1981 |
| 4239060 | Automatic air inlet and outlet valve assembly having upper chamber opening In accordance with the present invention an air inlet and outlet valve is disclosed which automatically opens and closes when a bottom operable tank lading valve is opened and closed. The air valve is mounted adjacent the top of the tank and is in fluid c... | 12/16/1980 |
| 4237928 | Low profile tapered sump for railway tank cars In accordance with the present invention, a low profile, tapered siphon pipe sump is provided including a sump portion located below an opening in the tank bottom and extending below the tank bottom and a tapered portion extending longitudinally in both d... | 12/09/1980 |
| 4234158 | Combination tank car valve skid and valve seat wherein the skid is welded to the valve seat In a bottom operable tank car lading valve assembly, a combination skid and lading valve seat for the lading valve closure is provided, which is attached to the tank car universal flange with mechanical fasteners. The valve seat portion extends inwardly a... | 11/18/1980 |
| 4234159 | Combination tank car valve skid and valve seat in which end portions on the skid are attached to the tank with fasteners which do not require stress relieving of the tank In a bottom operable tank car lading valve assembly, a combination skid and lading valve seat for the lading valve closure is provided, which is attached to the tank car universal flange with mechanical fasteners. The valve seat portion extends inwardly a... | 11/18/1980 |
| 4219047 | Telescoping eduction pipe assembly with elastomeric boot An eduction pipe and sump arrangement which does not require a skid includes an eduction pipe extending down from the top of the car and terminating a sufficient distance above the tank bottom to accommodate tank flexure. A sump is formed in the tank bott... | 08/26/1980 |
| 4216554 | Automatic freeze-proof drain system A system to protect piping and containers from damage by freezing of contained aqueous liquid includes a temperature-actuated SPDT switch connected at its movable contact to a rechargable battery. The fixed contacts of the switch are connected to two inpu... | 08/12/1980 |
| 4184663 | Combination tank car valve skid and valve seat In a bottom operable tank car lading valve assembly, a combination skid and lading valve seat for the lading valve closure is provided, which is attached to the tank car universal flange with mechanical fasteners. The valve seat portion extends inwardly a... | 01/22/1980 |
