| Patents for F04B 33 - Pumps specially adapted for elastic fluids actuated by muscle power, e.g. for inflating (2,403) |
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| 03/19/2003 | CA2422941A1 Inhalator and pertaining atomizer |
| 03/13/2003 | DE20213300U1 Two-way hand operated pump for automotive maintenance |
| 03/12/2003 | EP1289607A1 Self contained sport ball inflation mechanism |
| 03/12/2003 | EP1289606A1 Self contained sport ball inflation mechanism |
| 03/12/2003 | CN2539849Y Inflator with high pressure |
| 03/12/2003 | CN1401899A Lever type inflator for sedan |
| 03/06/2003 | DE20219929U1 Air pumping device has rubber part retaining position when pump head is rearranged to use pump for different purpose |
| 02/27/2003 | US20030039553 Air pump having pressure gauge thereon |
| 02/26/2003 | CN1399071A Air pump |
| 02/19/2003 | CN2536808Y Pocket-size multifunctional pedal air pump |
| 02/13/2003 | WO2003011401A1 Inflatable articles with self-contained inflation mechanism |
| 02/13/2003 | US20030032507 Inflatable articles with self-contained inflation mechanism |
| 02/13/2003 | CA2456178A1 Inflatable articles with self-contained inflation mechanism |
| 02/11/2003 | USRE37983 Air pump |
| 02/06/2003 | US20030026706 Pump |
| 01/21/2003 | US6508161 Simplified piston pump |
| 01/16/2003 | WO2003004811A1 U-lock comprising an integrated pump |
| 01/14/2003 | US6506026 Hand pump with and attaching device for attachment to a bicycle frame |
| 01/08/2003 | CN2530055Y Internal storage high pressure inflator |
| 01/02/2003 | US20030003006 Pump |
| 01/02/2003 | US20030002989 Pump for pumping at two pressures |
| 01/02/2003 | EP1267692A1 Liquid dispenser |
| 12/31/2002 | US6499385 Hand vacuum pump with linear piston actuation |
| 12/24/2002 | US6497560 High volume low pressure air pump |
| 12/22/2002 | CA2391771A1 Depressurizing pump assemblies and closures for beverage container |
| 12/19/2002 | WO2001074225A9 Liquid dispenser |
| 12/12/2002 | US20020187866 Self-contained sport ball inflation mechanism |
| 12/12/2002 | US20020187053 Hand pump with an attaching device for attachment to a bicycle frame |
| 12/11/2002 | CN2525274Y Reciprocating compression spring bellow type simple inflator |
| 12/10/2002 | US6491595 Method of manufacturing a sport ball having a self-contained inflation mechanism |
| 11/27/2002 | CN1381773A Electronic instrument and air chamber device putted on wrist |
| 11/26/2002 | US6485264 Anti-leakage device for a manual air pump with a pressure gauge |
| 11/26/2002 | US6484744 Oil pumping device |
| 11/26/2002 | US6484326 Compressed air drain opening device |
| 11/21/2002 | US20020173734 Wrist-portable electronic apparatus and air chamber device |
| 11/20/2002 | CN1380201A Valve joint |
| 11/20/2002 | CN1380200A Valve joint |
| 11/20/2002 | CN1380199A Valve joint |
| 11/07/2002 | WO2002024262A3 Inhalator and pertaining atomizer |
| 11/07/2002 | US20020162165 Compressed air drain opening device |
| 11/06/2002 | EP1254314A1 Pump |
| 11/06/2002 | CN1093915C Air pump and its inflation article |
| 10/31/2002 | DE10210187A1 Low-pressure compressor for gaseous media or ambient air with at least one piston-cylinder unit with piston rod coupled with crank arm driven by drive motor across reduction gear unit |
| 10/15/2002 | US6464477 Retaining device for a pivotable handle of a hand pump |
| 10/08/2002 | US6461125 Air pump, air chamber device using air pump, and wristwatch having air chamber device |
| 10/02/2002 | EP1244500A1 Self-contained sport ball inflation mechanism |
| 10/02/2002 | CN2514142Y Gas pipe plug-in type inflator |
| 09/26/2002 | US20020134387 Automatic underwater breathing membrane with integrated manual recharge |
| 09/26/2002 | DE10110713A1 Automatic and manually-operable and hand pump used as inflation device, has handle manually operable to slide relative to cylinder and force ambient air into passage through outer chamber |
| 09/25/2002 | CN2512924Y Multifunctional inflator |
| 09/25/2002 | CN2512923Y Foot gas storage pump built-in type inflator |
| 09/25/2002 | CN2512922Y High pressure inflator |
| 09/18/2002 | CN2511808Y Two-way hand air pump |
| 09/17/2002 | US6450906 Self contained sport ball inflation mechanism |
| 09/12/2002 | US20020124718 Hand vacuum pump with linear piston actuation |
| 08/21/2002 | CN1364979A Method and device for combined two-way air intake inflator |
| 08/14/2002 | CN2505615Y Portable inflator |
| 08/08/2002 | WO2002060542A1 Avoidance of resonance in inflatable sport ball |
| 08/08/2002 | WO2002060541A1 Method of manufacturing a sport ball |
| 08/08/2002 | US20020106293 high volume low pressure air pump |
| 08/07/2002 | CN2504402Y Multifunctional pedal inflator |
| 08/07/2002 | CN2504401Y Two-way inflation pump |
| 08/06/2002 | US6428290 Air pump |
| 07/31/2002 | CN2503226Y Reducing pressurizing inflator |
| 07/24/2002 | CN2502038Y Miniature inflator |
| 07/23/2002 | US6422960 Self contained sport ball inflation mechanism |
| 07/23/2002 | US6422832 Air pump capable of inflating and deflating an inflatable object interchangeably |
| 07/18/2002 | DE10149569A1 Hand-operated tire pump for pumping up bicycle tires comprises an outer cylinder, an inner cylinder, a piston rod, and a handle |
| 07/17/2002 | CN2500836Y Inflator |
| 07/17/2002 | CN2500835Y Efficient pedal inflator |
| 07/10/2002 | CN2499599Y Improved vertical inflator with barometer |
| 07/10/2002 | CN2499598Y Oil-leakage high pressure portable inflator |
| 07/10/2002 | CN1358257A Combination of chamber and piston pump, motor, shock absorber and transducer incorporating the combination |
| 06/25/2002 | USRE37763 Structure for connecting a head to a non-circular cylinder of a bicycle tire pump |
| 06/25/2002 | US6409618 Self-contained sport ball inflation mechanism |
| 06/18/2002 | US6405907 Fully integrated drum pump |
| 06/13/2002 | US20020070240 Liquid dispenser |
| 06/13/2002 | DE10131481A1 Pump forming part of a padlock |
| 05/29/2002 | EP0807036B1 Valve connector |
| 05/15/2002 | CN2491618Y Multifunctional manually operated water/gas pump |
| 04/30/2002 | US6378547 Activation pin |
| 04/25/2002 | WO2002032766A1 Pump with pressure-indication means |
| 04/25/2002 | US20020046772 Valve connector |
| 04/24/2002 | CN2487887Y Barometer for improved bicycle inflator |
| 04/24/2002 | CN2487886Y Inflating set for air pressure cylinder |
| 04/17/2002 | CN2486744Y Pressure changeable inflator |
| 04/17/2002 | CN2486743Y Inflator adapt for multiple air valve |
| 04/16/2002 | US6371741 Manual air pump having at least two selectable inflation modes |
| 04/10/2002 | CN2485447Y Vaccum pump |
| 04/10/2002 | CN2485446Y Air pump |
| 04/09/2002 | US6367662 Liquid dispenser |
| 04/04/2002 | DE10046089A1 Pump esp. for bicycles has piston-cylinder unit with extractable connection line to valve head, and foot pumping pedal |
| 03/27/2002 | EP1189806A1 Automatic underwater breathing membrane with integrated manual recharge |
| 03/27/2002 | CN2483527Y Oil-proof inflator |
| 03/20/2002 | CN2482591Y Inflator stop valve |
| 03/06/2002 | CN2480581Y Convenient double-piston inflator |
| 02/27/2002 | CN2479246Y Air pump |
| 02/27/2002 | CN2479245Y High-pressure double-cyclinder hand continuous inflating pump |
| 02/26/2002 | US6350112 Dual-direction pump for a bike |
| 02/21/2002 | DE10132679A1 Einfach zu haltende Handpumpe Easy to keep hand pump |