| Patents for F04B 33 - Pumps specially adapted for elastic fluids actuated by muscle power, e.g. for inflating (2,403) |
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| 02/20/2002 | CN2477856Y Inflator having improved structure |
| 02/19/2002 | US6347642 Air pump adapter assembly |
| 02/14/2002 | US20020018729 Easy-to-hold hand pump |
| 02/14/2002 | DE10030762A1 Tire valve connector for American, French, and Japanese fittings, includes selective rod seating system and adaptor insert with conical section |
| 02/13/2002 | EP1179140A1 A combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination |
| 02/12/2002 | US6345958 Pressure adjusting device for engine cooling system |
| 02/06/2002 | CN2475314Y Inflatable umbrella with inflator |
| 01/30/2002 | CN2474757Y Improved aeration connecting structure |
| 01/23/2002 | EP1173677A1 A device comprising a combination of a chamber and a piston |
| 01/23/2002 | CN2473359Y Inflator piston |
| 01/17/2002 | US20020006533 Hydrogen gas generator |
| 01/16/2002 | CN2471970Y Universal nozzle structure for air pump |
| 01/09/2002 | EP1170505A2 Vacuum Pump |
| 01/09/2002 | EP1170184A1 Valve connector |
| 01/09/2002 | CN2470573Y Air-inflating, vacuumizing dual-purpose pump |
| 01/09/2002 | CN2470572Y Novel inflator |
| 01/09/2002 | CN2470571Y Pedal inflator |
| 12/20/2001 | WO2001095982A1 Self contained sport ball inflation mechanism |
| 12/20/2001 | WO2001095981A1 Self contained sport ball inflation mechanism |
| 12/20/2001 | CA2411265A1 Self contained sport ball inflation mechanism |
| 12/20/2001 | CA2411262A1 Self contained sport ball inflation mechanism |
| 12/19/2001 | CN2466381Y Inflator structure capable of switching between inflating and pumping out |
| 12/13/2001 | WO2001094000A1 Hydrogen gas generator |
| 12/12/2001 | CN1325815A Container for beverage |
| 12/05/2001 | CN2463560Y Dual-purpose inflater |
| 12/04/2001 | US6325601 Manual air pump having selectable high pressure and high volume modes |
| 11/29/2001 | DE10025944A1 Ergonomic air pump has a four-link frame containing bellows which are expanded and contracted by the movements of the linkages for easy machine operation with a low noise |
| 11/28/2001 | EP1157966A1 Discharge pump for a beverage container |
| 11/20/2001 | US6318969 Floor air pump |
| 11/15/2001 | US20010039876 Simplified piston pump |
| 11/14/2001 | CN2459462Y Combined bidirectional inlet inflator |
| 11/13/2001 | US6314985 Valve connector |
| 11/08/2001 | WO2001083293A1 Automatic underwater breathing membrane with integrated manual recharge |
| 11/08/2001 | US20010038798 Portable hand operated fluid pump |
| 11/07/2001 | CN2458436Y 打气筒 Inflator |
| 11/01/2001 | US20010035208 Liquid handling apparatus and container |
| 10/31/2001 | CN2457367Y Two way compression inflator |
| 10/31/2001 | CN2457366Y Force aid inflator |
| 10/31/2001 | CN1320195A Manually operated pump or compressor |
| 10/25/2001 | US20010034279 Avoidance of resonance in the inflatable sport ball by limiting the critical ratio |
| 10/25/2001 | DE10018024A1 Cycle pump has air pump fixable on cycle by holder so that its drive wheel engages with element of chain drive for easy pumping |
| 10/18/2001 | US20010031211 Manual air pump having selectable high pressure and high volume modes |
| 10/11/2001 | WO2001074225A1 Liquid dispenser |
| 10/09/2001 | US6299420 Dual action air pump |
| 10/03/2001 | CN2451753Y Inflator carried on bicycle |
| 09/26/2001 | CN2450405Y Two-way inflating pump |
| 09/25/2001 | US6293771 Manually-powered apparatus for powering a portable electronic device |
| 09/18/2001 | US6290476 Hand pump with automatic and manual inflation functions |
| 09/11/2001 | US6287225 Self contained sport ball inflation mechanism |
| 09/11/2001 | US6287095 Internal air pump for inflatables |
| 09/05/2001 | CN2446302Y Manually operated multipurpose air pump |
| 08/28/2001 | US6279787 Beverage container |
| 08/28/2001 | US6279599 Air hose assembly for a portable tire pump and having the dual functions of air inflation and pressure release |
| 08/22/2001 | EP1126170A1 Pump with tapered bore |
| 08/21/2001 | US6276405 Inflation nozzle provided with means to engage air valves of different types |
| 08/09/2001 | WO2001057400A1 Pump |
| 08/09/2001 | DE10039697A1 Handluftpumpe mit auswählbarem hohem Druck und Betriebsarten mit hohem Druck Hand air pump with selectable high pressure and operating modes with high pressure |
| 08/08/2001 | EP1122433A1 Rapid connector for inflating a tyre and bicycle pump with connector |
| 08/08/2001 | EP1122432A1 Quick connector for a tyre pump and bicycle pump with this connector |
| 08/07/2001 | US6270327 Pneumatic hand pump |
| 08/01/2001 | CN1306160A Pedal inflator able to automatically switch between high pressure and low pressure |
| 08/01/2001 | CN1069120C 自锁气泵 Self-locking pump |
| 07/31/2001 | US6267161 Carbon-dioxide pump for tires |
| 07/25/2001 | EP1117931A1 Manually operated pump or compressor |
| 07/19/2001 | WO2001051810A1 Suction pressure pump |
| 07/17/2001 | US6260572 Valve-coupling device for an inflation device |
| 07/12/2001 | WO2001049374A1 Self-contained sport ball inflation mechanism |
| 07/12/2001 | CA2394187A1 Self-contained sport ball inflation mechanism |
| 07/10/2001 | US6257849 Manual air pump having selectable high pressure and high pressure modes |
| 07/04/2001 | CN2437874Y Automatic pressure-adjusting miniature inflating pump for bicycle |
| 06/27/2001 | EP0832359B1 Pneumatic pump |
| 06/27/2001 | CN2436681Y Positive/negative pressure-measuring inflator for urgent repairing construction |
| 06/26/2001 | US6250343 Inflating cylinder with both inflating and air sucking effects |
| 06/26/2001 | US6250205 Positioning arrangement for retaining a handle of a floor pump |
| 06/20/2001 | CN2435544Y Hand air-filling pump |
| 05/30/2001 | CN2432353Y Portable inflator |
| 05/22/2001 | US6234774 Coaxial valve-type alternating pump especially for boats such as a rubber dinghy, manually operated or motor-driven |
| 05/09/2001 | CN2429652Y Twin cylinder high pressure pump |
| 05/09/2001 | CN2429651Y High pressure bicycle pump |
| 05/08/2001 | US6227810 Bicycle air pump structure |
| 05/02/2001 | CN2428596Y Portable inflator of motorcycle |
| 04/25/2001 | CN2427646Y Portable and two purpose high pressure inflator |
| 04/24/2001 | US6220836 Clamp device for a hand air pump |
| 04/24/2001 | US6220273 Pumping device with an internal pivotal tube for various valves |
| 04/04/2001 | CN2426025Y Anti-backflow inflator |
| 03/28/2001 | CN2425210Y Damping inflator set under saddle |
| 03/21/2001 | CN2424312Y Two-way inflatting device |
| 03/21/2001 | CN2424311Y 打气筒 Inflator |
| 03/21/2001 | CN2424310Y Pedal air pump |
| 03/15/2001 | DE10040704A1 Airpump for bicycles |
| 03/14/2001 | CN2423425Y Indicating type pressuization inflator |
| 03/06/2001 | US6196807 Pressure gauge of a bicycle tire pump with accurate indication |
| 02/21/2001 | EP1076776A4 Manual vacuum producing system having vacuum pressure indicator |
| 02/21/2001 | EP1076776A1 Manual vacuum producing system having vacuum pressure indicator |
| 02/21/2001 | CN2420439Y Convenient inflator |
| 02/20/2001 | US6190142 Manual air pumps having selectable high pressure and high pressure modes |
| 01/31/2001 | CN2417300Y Tyre inflator |
| 01/31/2001 | CN1282405A Air pump, air chamber device and wrist watch provided with air chamber device |
| 01/16/2001 | US6173928 Stabilizer for inflation pump for inflatable balls and the like |
| 01/10/2001 | EP1066779A1 Internal air pump for inflatables and method |