| Patents for F16K 15 - Check valves (18,131) |
|---|
| 03/09/1993 | US5191913 Top-entry check valve with pin fasteners |
| 03/09/1993 | CA1314193C Bi-petal check-valve construction |
| 03/02/1993 | US5190074 Check valve apparatus |
| 02/24/1993 | CA2049814A1 Pressure responsive unidirectional valve |
| 02/23/1993 | US5188142 Swivel valve |
| 02/23/1993 | US5188140 Breather valve |
| 02/18/1993 | DE4226587A1 Compressor discharge flap valve - has inclined stop which changes angle in region of valve flap attachment for progressive action |
| 02/10/1993 | CN1068879A Automatic non-resistance check valve and use method thereof |
| 02/09/1993 | US5184640 Back water trap |
| 02/04/1993 | WO1993002310A1 Valve unit for use in pressurising inflatable articles |
| 02/03/1993 | EP0525693A1 Improved nonreturn valve, particularly for fluids |
| 02/03/1993 | CN1068629A Recirculation valve |
| 02/02/1993 | US5183076 Unidirectional flow limiter |
| 02/02/1993 | US5183075 Check valve |
| 02/02/1993 | US5183068 Ball and seat valve |
| 01/28/1993 | DE4124464A1 Non-return tongue valve set in bore - has narrower spring tongue adjoining bore wall with tapered end |
| 01/27/1993 | EP0524854A1 Adjustable valve and dispenser with such a valve |
| 01/26/1993 | US5181977 Tire inflation valve having overpressure and flow control |
| 01/26/1993 | US5181889 Tensioner for a toothed belt |
| 01/26/1993 | US5181535 Compact swing check valve |
| 01/26/1993 | CA2073834A1 Adjustable valve and distribution fitted with such a valve |
| 01/21/1993 | WO1993001538A1 Recirculation valve |
| 01/21/1993 | WO1993001435A1 Check valve |
| 01/21/1993 | WO1993001434A1 Check valve |
| 01/21/1993 | DE4123438A1 Non-return valve with displaceable valve body - has elastic buffer with sealing edge acting as damper for quieter action. |
| 01/21/1993 | CA2111843A1 Recirculation valve |
| 01/13/1993 | EP0522745A1 A ring valve assembly for a reciprocating fluid pump |
| 01/13/1993 | CA2047009A1 Check valve, and hydromassaging apparatus comprising at least one of such a check valve |
| 01/12/1993 | US5178185 Suction inlet valve for fire truck pumpers |
| 01/12/1993 | US5178184 Pump valve apparatus |
| 01/12/1993 | US5178183 Compressor discharge valve |
| 01/07/1993 | EP0521704A2 Check valve |
| 01/06/1993 | CN1067722A Auto-balance liquid check valve |
| 01/05/1993 | US5176172 Toggle linkage check valve |
| 01/05/1993 | US5176171 Check valve |
| 01/02/1993 | CA2072442A1 Check valve |
| 12/30/1992 | CN2126356U Tyre valve |
| 12/29/1992 | US5174327 In-line check valve |
| 12/29/1992 | CA1311986C All-plastic check valve |
| 12/22/1992 | US5173188 Automated extractions |
| 12/22/1992 | US5172888 Apparatus for sealingly enclosing a check valve |
| 12/22/1992 | US5172721 Check valve for fuel tank |
| 12/22/1992 | US5172720 Single seal fluid control valve |
| 12/22/1992 | US5172716 Recirculation valve |
| 12/22/1992 | CA1311728C Scroll compressor with normally warped open exhaust valve |
| 12/17/1992 | DE4119089A1 Pipe coupling with stopcocks - has stopcock in end of each pipe which must be closed before pipes can be disconnected |
| 12/15/1992 | US5171263 Cardiac valve with flaps pivoting on balls |
| 12/15/1992 | US5171137 Valve for a hermetic refrigeration compressor |
| 12/10/1992 | WO1992021882A1 Check valve with aspirating function |
| 12/09/1992 | EP0516759A1 Quiet check valve for pulsating flow. |
| 12/09/1992 | CN2124360U Tyre tube valve for motorcycle |
| 12/09/1992 | CN2124359U Mine slurry check valve |
| 12/09/1992 | CN2124358U Check valve |
| 12/09/1992 | CN2124357U Check valve with release function |
| 12/09/1992 | CN2124356U Improved check valve |
| 12/03/1992 | DE4204743A1 Auxiliary air valve for dentistry appliance - has spring loaded valve head to form airtight seal |
| 12/02/1992 | EP0515597A1 Nonreturn valve, in particular for medical infusion appliances. |
| 12/02/1992 | CN2123669U Valve inside of aeration tyre |
| 11/26/1992 | WO1992020944A1 Tube mounted check valve |
| 11/26/1992 | WO1992020943A1 Tube mounted low pressure check valve |
| 11/25/1992 | CN2122990U Self-grouting back-pressure valve |
| 11/25/1992 | CN2122989U High-pressure non-return valve |
| 11/24/1992 | US5165449 Discharge valve for a compressor |
| 11/19/1992 | EP0514085A1 Aerosol inhalation device |
| 11/19/1992 | EP0375681B1 Multiple fluid path junction device |
| 11/18/1992 | CN2122289U Shock absorbing and abrasion resistant check valve |
| 11/18/1992 | CN2122288U Butterfly type check valve having anti-shock inclined sealing seat |
| 11/11/1992 | CN2121589U Miniature tyre inflation valve |
| 11/10/1992 | US5161958 Valve device for automatic circulation in a waste water pump station |
| 11/10/1992 | US5161574 Maximum operation angle single plug and puppet type retention valves |
| 11/10/1992 | US5161571 Check valve |
| 11/10/1992 | US5161570 Top-entry check valve with threaded fasteners |
| 11/10/1992 | US5161566 Top-entry check valve with screw-in seat |
| 11/04/1992 | CN2120943U Oil cavity intercommunication type slow close check valve |
| 11/04/1992 | CN2120942U Lift one-way check valve |
| 11/04/1992 | CN2120941U Ball valve core check valve |
| 11/04/1992 | CN2120927U Multifunction valve of pumping hole waterproof hammer |
| 11/03/1992 | US5160624 Automatic injection; high pressure vessel; high speed |
| 11/03/1992 | US5159953 Check valve apparatus for fuel tank |
| 11/03/1992 | CA1309638C Drainage valve |
| 10/28/1992 | CN1065708A Low controlling-pressure sequence fluid one way valve |
| 10/27/1992 | US5157947 Balanced hydraulic valve devices |
| 10/21/1992 | CN2119554U Air valve |
| 10/21/1992 | CN2119553U Piston type air valve |
| 10/20/1992 | US5156183 Top-entry check valve having spring retainer |
| 10/20/1992 | US5156182 Top-entry check valve with pin fasteners |
| 10/14/1992 | CN2118878U Long-life tyre valve |
| 10/14/1992 | CN2118877U Improved single-way intermediate valve |
| 10/13/1992 | US5154232 Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system |
| 10/07/1992 | CN2118219U Inflatable valve for tyre |
| 10/07/1992 | CN2118218U Non-air-leakage valve inside |
| 10/07/1992 | CN2118217U Non-air-leakage valve inside |
| 10/07/1992 | CN2118216U Improved check valve |
| 10/06/1992 | CA1308332C Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system |
| 09/30/1992 | CN2117519U Bicycle air vlave |
| 09/30/1992 | CN2117518U One way air valve for tyre |
| 09/30/1992 | CN1064918A Intake and/or outlet valve for proportionating-and spray-pump for delivery liquid, low viscose and pasty material |
| 09/29/1992 | US5150733 Compact swing check valve |
| 09/24/1992 | DE4109255A1 Block in hot water pipe with basic part - has valve in valve seating, with control pin, stop piece, elastic tongue and adjusting pin |
| 09/23/1992 | EP0504631A1 Non-return valve |