| Patents for F04B 33 - Pumps specially adapted for elastic fluids actuated by muscle power, e.g. for inflating (2,403) |
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| 03/29/1995 | CN2193445Y Air storage high pressure double-cylinder pedal inflator |
| 03/22/1995 | EP0644128A1 Sealable can adapted to be evacuated by means of a vacuum pump |
| 03/22/1995 | CN2192742Y Inflater with adjustable piston |
| 03/16/1995 | WO1995007413A1 Vacuum limiter for pump |
| 03/16/1995 | WO1995007207A1 Air-pump insert for the saddle-supporting tube of a two-wheeled vehicle |
| 03/16/1995 | WO1995007206A1 Saddle-supporting tube for a two-wheeled vehicle |
| 03/16/1995 | CA2171324A1 Vacuum limiter for pump |
| 03/15/1995 | CN2191930Y Two stage non-return booster-type high pressure pedal air pump |
| 03/14/1995 | US5397144 Bicycle operated air pump |
| 02/22/1995 | CN2190174Y Bicycle pump |
| 02/15/1995 | CN2189656Y Annular automatic inflating device |
| 02/01/1995 | CN2188661Y Automatic micro-pressure-regulating pump |
| 02/01/1995 | CN2188660Y Piston type inflater |
| 01/25/1995 | CN2188136Y Adjustable pressure small auto-inflating pump for bicycle |
| 01/10/1995 | US5379796 Air pump head capable of engaging tire air valve in twist-locking manner |
| 01/04/1995 | CN2186807Y Portable manually-operated inflater |
| 12/21/1994 | CN2185812Y Bicycle inflater |
| 12/14/1994 | CN2185335Y Air-stored cylinder with multiple pistons and pressure gauge |
| 12/14/1994 | CN2185248Y High-vacuum preserving container and manual pump thereof |
| 12/13/1994 | US5372487 Inlet check valve for pump mechanism |
| 12/07/1994 | CN2184801Y High pressure multipurpose foot pedal air pump |
| 12/07/1994 | CN2184800Y Portable multifunction inflater |
| 11/30/1994 | CN2183947Y Multifunctional bicycle |
| 11/30/1994 | CN1095678A Multipurpose bicycle having brake-controlled sucking-storage spraying liquid |
| 11/23/1994 | CN2183457Y Multi-purpose hand-driven air pump |
| 11/16/1994 | CN2182892Y Portable multi-function air pump |
| 11/15/1994 | US5364241 Evacuation system with universal lid for rigid containers |
| 11/08/1994 | US5362214 Multi-vacuum release for pump |
| 10/26/1994 | CN2180805Y Pedal lever type series and parallel connection high-pressure inflator |
| 10/26/1994 | CN2180804Y End cover for inflator |
| 10/26/1994 | CN2180803Y Inflator for bicycle |
| 10/19/1994 | CN2179917Y Pedal-type high-pressure inflater |
| 10/12/1994 | CN2179473Y Concealed boosting inflator for bicycle |
| 10/05/1994 | CN2178794Y Inflater with extension operating lever |
| 10/05/1994 | CN1093147A Anti-reflux inflater |
| 09/29/1994 | WO1994018452A3 A bicycle pump |
| 09/21/1994 | CN2177818Y Backflow prevention inflator |
| 09/21/1994 | CN2177817Y Multipurpose small inflator |
| 09/15/1994 | DE4318498C1 Air pump |
| 09/14/1994 | CN2177106Y Inflator |
| 09/14/1994 | CN2177105Y 脚踏泵 Foot Pump |
| 09/07/1994 | CN2176450Y Miniature high-pressure air pump |
| 08/30/1994 | US5342177 Tire automatic pneumatic pump device |
| 08/24/1994 | EP0611888A1 Manually actuated vacuumpump |
| 08/24/1994 | CN2175316Y Double-tube inflating pump |
| 08/24/1994 | CN2175315Y 真空泵 Vacuum pump |
| 08/18/1994 | WO1994018452A2 A bicycle pump |
| 08/17/1994 | CN1090911A Built-in pump for bicycle |
| 08/16/1994 | US5338166 Evacuation pump system for both rigid and flexible containers |
| 08/10/1994 | CN2173718Y Inflator for bicycle |
| 08/09/1994 | US5336066 Balloon pump |
| 08/03/1994 | EP0608469A1 Manually operated reciprocating suction pump |
| 08/02/1994 | US5333756 Device for the inflation of, more particularly, a container or a floating body of an item of lifesaving equipment |
| 07/20/1994 | CN2172357Y Pedal inflator |
| 07/20/1994 | CN2172356Y Manually-operated inflator |
| 07/13/1994 | CN2171700Y Miniature hand inflater |
| 07/06/1994 | CN2171016Y Socket air storage inflator |
| 07/06/1994 | CN1025307C Male type bicycle with inflator provided for oneself |
| 06/29/1994 | CN2170387Y High-pressure pedal inflator |
| 06/28/1994 | US5324267 Slitted pressure cuff check valve |
| 06/28/1994 | US5324174 Combined shock absorbing seat post and air pump assembly |
| 06/22/1994 | CN2169707Y Travel inflating pump |
| 06/22/1994 | CN2169706Y Micro inflating pump |
| 06/15/1994 | EP0600857A1 Apparatus for securing mobile articles and inflater |
| 06/08/1994 | CN2168093Y Mini-size inflater |
| 06/08/1994 | CN2168092Y Sealed inflater |
| 06/07/1994 | US5318317 Bicycle operated air pump |
| 06/01/1994 | DE4239794A1 Miniature hand air pump, e.g. for sports shoe - regulates air pressure in relatively small vol. using pressure sensor in housing |
| 06/01/1994 | CN2167212Y High pressure portable air pump |
| 06/01/1994 | CN2167211Y High-pressure air pump for bicycle |
| 05/17/1994 | CA1329577C Bicycle seat post housed tire pump with two check valves |
| 05/17/1994 | CA1329576C Bellows pump for a gas-testing tube |
| 05/04/1994 | EP0594817A1 Bicycle |
| 05/04/1994 | CN2163885Y Pedal tyre pump |
| 04/27/1994 | CN2163250Y Pedle air storage inflator |
| 04/27/1994 | CN2163249Y Miniature inflator |
| 04/26/1994 | CA1328859C Pump assembly for air mattress |
| 04/20/1994 | CN1024291C Suction pump |
| 04/13/1994 | CN2161746Y Portable fuel charger |
| 04/05/1994 | US5299917 Evacuation pump system with check valves for both rigid and flexible containers |
| 03/23/1994 | CN2159462Y Bicycle pump combined with stand |
| 03/09/1994 | CN2158456Y Man-power pump for inflating and suction |
| 03/09/1994 | CN2158455Y Pump for inflating |
| 02/23/1994 | EP0583933A1 Improved cycle hand pump |
| 02/23/1994 | EP0583747A1 Inflating device, especially for a container or a float of a rescue apparatus |
| 02/23/1994 | CN2157330Y Inflator with bicycle's lock |
| 02/16/1994 | CN2156312Y Inflating tube for balloon |
| 02/14/1994 | CA2103940A1 Device for the inflation of, more particularly, a container or a floating body of an item of lifesaving equipment |
| 02/03/1994 | DE4225103A1 Hub-driven pump for bicycle tyre - uses piston parallel to wheel shaft and controlled by rotating guide groove |
| 02/02/1994 | CN2154922Y Piston leakage-proof ring of inflator |
| 02/02/1994 | CN2154921Y Tyre inflator |
| 01/20/1994 | DE4223033A1 Pump/suction device for shoes etc., as shock absorber - uses valves and filters to compress air during walking and has adjustable air volume and pressure and may have medicinal cartridges |
| 01/19/1994 | CN2153653Y Pocket pedal double boosting air pump |
| 01/19/1994 | CN2153652Y Minisize pedal air pump |
| 01/19/1994 | CN2153651Y Portable folding high pressure inflater |
| 01/12/1994 | CN2152922Y Lever pedal high-pressure inflator |
| 01/12/1994 | CN2152921Y 便携式打气筒 Portable Inflator |
| 01/11/1994 | US5277557 Hand-held and hand-operated vacuum pump |
| 01/06/1994 | WO1993023283A3 Pneumatically suspended bicycle |
| 01/05/1994 | CN2152092Y Horizontal double tube foot inflater |