1
Improvements in scavenging or ejecting apparatus for removing water of condensation. Adrien Legrand Et Cie Soc, June 18, 1925: GB235482-A (154 worldwide citation)

235,482. Soc. A. Legrand et Cie. Dec. 29, 1924. Addition to 226,144. Steam - traps. - A steam-trap of the kind described in the parent Specification is actuated by the expansion and contraction of the pipe it is desired to drain. In the form shown the remote end of the conduit at a point 6 to 20 met ...


2
Improvements in steam traps. Bernard Robert Wingfield, August 21, 1924: GB220557-A (132 worldwide citation)

220,557. Wingfield, B. R. Feb. 6, 1924. Steam-traps.-A capsule for a steam-trap has a rigid plate 1 corrugated on the inside in order that the diaphragm 3 may be corrugated after being brazed or welded to the plate 1. The end of the filling tube 4 is closed by brazing or welding whilst the capsule i ...


3
Peter J Balsells: Seal with spring energizer. Peter J Balsells, Joan C Balsells, Walter A Hackler, November 30, 1993: US05265890 (70 worldwide citation)

The seal apparatus includes a resilient member having at least one sealing surface thereon and an engagement surface spaced up from the sealing surface. A spring's position to bias the sealing surface and flexible or elastic means are disposed in and about the spring in order to substantially increa ...


4
Wolfram Knappe, Peter Michel: Housing with a pressure-equalizing element which is retained water-tightly around the edges within a housing wall opening. Siemens Aktiengesellschaft, Kenyon & Kenyon, June 1, 1993: US05215312 (63 worldwide citation)

A pressure equalizing membrane made of gas permeable, water impermeable polytetrafluoroethlyene is preassembled to a retaining ring and the ring retained within a housing wall with a watertight seal. Either a one or two part retaining ring is used as a holder for the PTFE membrane. The retaining rin ...


5
Steven R Hoglund, Paul G Schwendinger: HVAC zone control panel with checkout utility. Honeywell International, April 6, 2010: US07693591 (39 worldwide citation)

A zone control panel may be adapted to accommodate a method of verifying communication and/or connections between the zone control panel and one or more thermostats that are electrically connected to the zone control panel. In some cases, the one or more thermostats may be set to a particular state ...


6
Michael A Savoia: Dual lip seal and method of forming the seal. Mather Seal Company, Lawrence J Shurupoff, May 11, 1993: US05209502 (31 worldwide citation)

A dual lip shaft seal includes two sealing disks bonded directly to a radial wall of an annular metal case. The radial wall has an annular step, such that two separate mounting surfaces are formed for mounting the two disks. Each sealing disk is preferably formed of PTFE and heat-bonded to its respe ...


7
James R Chisholm: Drain device for compressed air lines. Harvey B Jacobson, O Brien Clarence A, January 23, 1979: US04135542 (31 worldwide citation)

A drain device that removes oil, water, sludge and other contaminants from compressed air systems comprising a cylindrical housing for attachment between diametrically opposed compressed air and drain lines, a cylindrical rotor rotatably journalled within the housing, a single port, at least as larg ...


8
Hiroshi Fukuhara: Automatic drain device. Kabushiki Kaisha Fukuhara Seisakusho, Vineet Kohli, August 16, 1994: US05337779 (30 worldwide citation)

An automatic drain device in an air compressor system includes an electrode sensor in a liquid collection cell. An electronic control detects an electrical change in the electrode sensor resulting from contact with liquid in the liquid collection cell and energizes a drain valve for a predetermined ...


9
David L Miller, Frank A Sclafani Jr, Paul R Wentz, Paul D Carpenter: Butterfly valve. Hale Products, John F A Earley, John F A Earley III, Harding Earley Follmer & Frailey, February 5, 2002: US06343615 (26 worldwide citation)

A butterfly valve and associated controls for controlling the flow of water from a large diameter fire hose to the inlet of a fire pump is disclosed. The valve is installed between the suction tube and the suction tube extension of a midship mounted fire pump on a fire truck in a location such that ...


10
Andrew J Muetterties: Novel valve employing hydrophobic and hydrophilic membranes. Abbott Laboratories, Robert L Niblack, Aaron L Hardt, September 23, 1980: US04223695 (24 worldwide citation)

A novel valve employing hydrophobic and hydrophilic membranes and providing a combined air barrier and liquid sequencing valve. The novel valve is useful in gravitational flow systems and equipment sets for the sequential administration of medical liquids, wherein a primary liquid can be administere ...



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