US1567306A
(en)
*
|
|
1925-12-29 |
|
Regulating valve |
US1662291A
(en)
*
|
|
1928-03-13 |
|
of chicago |
US30989A
(en)
*
|
|
1860-12-18 |
|
Cotton-cleaner |
US1648884A
(en)
*
|
|
1927-11-08 |
|
Packless valve |
US2277395A
(en)
*
|
|
1942-03-24 |
|
Diaphragm valve |
US706423A
(en)
*
|
1901-01-23 |
1902-08-05 |
Arthur Kleinfeldt |
Siphon for dispensing liquids.
|
US692391A
(en)
*
|
1901-04-05 |
1902-02-04 |
Anton Wagner |
Valve.
|
US999333A
(en)
*
|
1911-03-13 |
1911-08-01 |
Charles Patock |
Packless and quick-acting valve.
|
US1148805A
(en)
*
|
1911-08-22 |
1915-08-03 |
William P Skiffington |
Automatic valve.
|
US1118649A
(en)
*
|
1912-02-09 |
1914-11-24 |
Internat Oxygen Company |
Valve.
|
US1120707A
(en)
*
|
1913-01-18 |
1914-12-15 |
Albert Anton Froehlich |
Thermostat.
|
US1128426A
(en)
*
|
1913-10-10 |
1915-02-16 |
Clayton Aubra Dunham |
Inlet-valve.
|
US1103917A
(en)
*
|
1913-11-19 |
1914-07-14 |
Jasper C Lawson |
Valve-indicator.
|
US1108146A
(en)
*
|
1913-11-22 |
1914-08-25 |
Edward J Deegan |
Regulator.
|
US1210891A
(en)
*
|
1915-08-02 |
1917-01-02 |
Ashcroft Mfg Company |
Pressure-reducing valve.
|
US1223326A
(en)
*
|
1916-04-08 |
1917-04-17 |
Marsh Valve Company |
Valve.
|
US1297229A
(en)
*
|
1916-11-20 |
1919-03-11 |
J F Esperon |
Supply-valve for vapor, vacuum, and steam heating systems.
|
US1310954A
(en)
*
|
1919-03-15 |
1919-07-22 |
Anton Rudolf Moeller |
Valve.
|
US1468283A
(en)
*
|
1921-04-28 |
1923-09-18 |
Frederick Cecil Gadsby |
Auxiliary air valve
|
US1497275A
(en)
*
|
1921-07-21 |
1924-06-10 |
La Verne W Hench |
Valve
|
US1485792A
(en)
*
|
1923-04-11 |
1924-03-04 |
Internat Oxygen Company |
Valve
|
US1527496A
(en)
*
|
1924-04-21 |
1925-02-24 |
Nathan E Tyrrell |
Valve control
|
US1719801A
(en)
*
|
1926-05-10 |
1929-07-02 |
Detroit Lubricator Co |
Valve
|
GB279118A
(en)
*
|
1926-10-15 |
1927-12-22 |
Vickers Electrical Co Ltd |
Improvements in stop valves
|
US1654550A
(en)
*
|
1927-02-26 |
1928-01-03 |
Hajoca Corp |
Valve control
|
US1703531A
(en)
*
|
1927-05-23 |
1929-02-26 |
Mccord Radiator & Mfg Co |
Diaphragm for expansion valves
|
US1843068A
(en)
*
|
1927-10-08 |
1932-01-26 |
Detroit Lubricator Co |
Valve
|
US1749774A
(en)
*
|
1928-09-19 |
1930-03-11 |
Internat Oxygen Company |
Valve
|
US1804721A
(en)
*
|
1928-09-21 |
1931-05-12 |
William S Valmore |
Valve mechanism
|
US1806462A
(en)
*
|
1929-05-31 |
1931-05-19 |
Robert C Hopkins |
Gas valve
|
US1890505A
(en)
*
|
1930-10-25 |
1932-12-13 |
Kerotest Mfg Company |
Valve
|
US1895591A
(en)
*
|
1931-02-16 |
1933-01-31 |
Gen Plate Co |
Snap acting device
|
US1910491A
(en)
*
|
1931-07-25 |
1933-05-23 |
Westinghouse Air Brake Co |
Adjusting device
|
US1920659A
(en)
*
|
1932-06-29 |
1933-08-01 |
Elton T Naylon |
Device for indicating wear of brushes
|
US2051350A
(en)
*
|
1932-07-28 |
1936-08-18 |
Union Carbide & Carbon Corp |
Valve
|
US1976851A
(en)
*
|
1933-02-25 |
1934-10-16 |
Westinghouse Air Brake Co |
Diaphragm cock
|
FR780169A
(fr)
*
|
1934-10-25 |
1935-04-19 |
Gaupillat |
Robinet à fermeture différentielle pour fluides sous pression
|
US2061028A
(en)
*
|
1935-05-14 |
1936-11-17 |
Kerotest Mfg Company |
Valve
|
US2144754A
(en)
*
|
1937-09-02 |
1939-01-24 |
John S Forbes |
Valve
|
US2209956A
(en)
*
|
1938-03-04 |
1940-08-06 |
Squibb & Sons Inc |
Dispensing apparatus
|
US2382235A
(en)
*
|
1943-08-12 |
1945-08-14 |
Harry H Lamar |
Valve structure
|
US2460168A
(en)
*
|
1944-08-14 |
1949-01-25 |
Caserta Michele |
Method of making a diaphragm
|
US2514025A
(en)
*
|
1944-08-19 |
1950-07-04 |
Nat Supply Co |
Microchoke valve
|
US2485942A
(en)
*
|
1945-06-20 |
1949-10-25 |
Ralph R P Turner |
Valve position indicator
|
US2642255A
(en)
*
|
1947-12-10 |
1953-06-16 |
Weatherhead Co |
Packless valve
|
US2679760A
(en)
*
|
1948-09-24 |
1954-06-01 |
American Machine & Metals |
Protective unit for condition responsive devices
|
US2697581A
(en)
*
|
1949-02-14 |
1954-12-21 |
Gen Controls Co |
Electromagnetically operated valve with adjustable opening
|
US2715009A
(en)
*
|
1949-04-15 |
1955-08-09 |
Electrimatic Company |
Bellows operated self aligning valve
|
US2667786A
(en)
*
|
1950-02-11 |
1954-02-02 |
Cons Eng Corp |
Capacitor pressure gauge
|
GB773533A
(en)
*
|
1954-03-09 |
1957-04-24 |
Calor Gas Distributing Company |
Improvements in and relating to valves for gas cylinders or other containers
|
GB845266A
(en)
*
|
1955-10-14 |
1960-08-17 |
Saunders Valve Co Ltd |
Improvements in and relating to fluid controlling valves
|
GB801448A
(en)
*
|
1955-11-30 |
1958-09-17 |
Saunders Valve Co Ltd |
Improvements in and relating to fluid controlling valves
|
US3001541A
(en)
*
|
1957-03-18 |
1961-09-26 |
Weatherhead Co |
Automatic regulator assembly
|
FR1177123A
(fr)
*
|
1957-06-03 |
1959-04-21 |
|
Robinet à membrane perfectionné
|
US2986372A
(en)
*
|
1957-10-07 |
1961-05-30 |
Superior Valve And Fittings Co |
Valve for low temperature fluids
|
US2933284A
(en)
*
|
1957-11-12 |
1960-04-19 |
Superior Valve And Fittings Co |
Diaphragm packless valve
|
DE1076458B
(de)
*
|
1958-06-21 |
1960-02-25 |
Waldenmaier J E H |
Absperrventil fuer Hoechstdruck-Messleitungen
|
US3089505A
(en)
*
|
1958-07-17 |
1963-05-14 |
Sarco Int Corp |
Slide type mixing valve with interchangeable inlet and outlet connections
|
US3040773A
(en)
*
|
1959-09-04 |
1962-06-26 |
Crane Co |
Combined valve actuating and indicator mechanism
|
FR1249282A
(fr)
*
|
1959-11-07 |
1960-12-30 |
|
Robinet à membrane perfectionné
|
US3093086A
(en)
*
|
1960-04-12 |
1963-06-11 |
Westinghouse Electric Corp |
Diaphragm assemblage
|
US3129009A
(en)
*
|
1960-10-10 |
1964-04-14 |
Dresser Ind |
Hydraulic line wiper
|
US3260530A
(en)
*
|
1961-03-27 |
1966-07-12 |
Central Res Lab Inc |
Rotary mechanical seal
|
GB1012101A
(en)
*
|
1963-08-20 |
1965-12-08 |
Atomic Energy Authority Uk |
Improvements in or relating to fluid flow control valves
|
FR1404542A
(fr)
*
|
1964-05-19 |
1965-07-02 |
Ferodo Sa |
Perfectionnements aux dispositifs obturateurs
|
US3322142A
(en)
*
|
1964-08-25 |
1967-05-30 |
Cash A W Co |
Valve for low temperature service
|
US3428291A
(en)
*
|
1965-05-24 |
1969-02-18 |
Nuclear Products Co |
Bellows metering valve
|
FR1478342A
(fr)
*
|
1965-07-06 |
1967-04-28 |
Ct Technique Des Ind Fonderie |
Dispositif de contrôle de l'ouverture d'un régulateur de débit à commande manuelle perfectionné, tel qu'un robinet
|
US3351088A
(en)
*
|
1965-07-20 |
1967-11-07 |
Jensen Nathan Kenneth |
Low pressure alarm valve
|
GB1150666A
(en)
*
|
1965-12-30 |
1969-04-30 |
Zd Y Prumyslove Automatiscace |
Flapper and Nozzle Control Device for Servo-Valves
|
US3396940A
(en)
*
|
1966-02-17 |
1968-08-13 |
Henry Valve Co |
Packless valve with anti-frost means
|
US3438351A
(en)
*
|
1966-09-02 |
1969-04-15 |
Morden Machines Co |
Means for simultaneously indicating the spacing between two opposed attritioning elements and their condition of wear
|
US3482596A
(en)
*
|
1967-05-05 |
1969-12-09 |
Henry Valve Co |
Metering valve
|
SE356346B
(el)
*
|
1968-04-08 |
1973-05-21 |
Robertshaw Controls Co |
|
US3585328A
(en)
*
|
1970-02-11 |
1971-06-15 |
Texas Instruments Inc |
Pressure switch with a plurality of snap acting metal diaphragms coated with metallic oxide
|
US4044998A
(en)
*
|
1972-10-25 |
1977-08-30 |
Tomlinson Industries, Inc. |
Web tip seat cup
|
US3791405A
(en)
*
|
1972-11-20 |
1974-02-12 |
Robertshaw Controls Co |
Pressure regulator construction and method of making the same
|
US3982729A
(en)
*
|
1974-03-14 |
1976-09-28 |
Kerotest Manufacturing Corporation |
Back-up seal for diaphragm valve
|
FR2280847A1
(fr)
*
|
1974-08-02 |
1976-02-27 |
Stella Rubinetterie Spa |
Robinet a couple de fermeture controle
|
GB1477708A
(en)
*
|
1974-08-07 |
1977-06-22 |
Stella Rubinetterie Spa |
Faucets
|
DE2455329B2
(de)
*
|
1974-11-22 |
1980-09-18 |
Clouth Gummiwerke Ag, 5000 Koeln |
Membranventil
|
ZA756085B
(en)
*
|
1974-12-23 |
1976-09-29 |
Dresser Ind |
High pressure diaphragm valves
|
US4171792A
(en)
*
|
1974-12-23 |
1979-10-23 |
Dresser Industries, Inc. |
High pressure diaphragm valves
|
GB1509552A
(en)
*
|
1975-03-06 |
1978-05-04 |
Saunders Valve Co Ltd |
Fluid flow control valves
|
US3995723A
(en)
*
|
1975-08-13 |
1976-12-07 |
Clark Equipment Company |
Deformable rigid seal for a hydraulic brake apparatus
|
US4199850A
(en)
*
|
1975-09-11 |
1980-04-29 |
Velan Engineering Ltd. |
Method of making a diaphragm valve
|
US4136709A
(en)
*
|
1976-06-14 |
1979-01-30 |
A. Dean Mammel |
Flange valve having improved sealing characteristics and wear indicator
|
US4089347A
(en)
*
|
1976-12-27 |
1978-05-16 |
Masco Corporation Of Indiana |
Mixing valve anti-scald apparatus
|
US4304260A
(en)
*
|
1979-11-01 |
1981-12-08 |
Turner Charles R |
Flexible diaphragm valve device
|
US4295653A
(en)
*
|
1980-04-07 |
1981-10-20 |
Zero-Seal, Inc. |
Pressure-compensated diaphragm seals for actuators, with self-equalization
|
US4354666A
(en)
*
|
1980-06-12 |
1982-10-19 |
Kerotest Manufacturing Corp. |
High pressure packless metal diaphragm valve
|