| Patents for F04B 33 - Pumps specially adapted for elastic fluids actuated by muscle power, e.g. for inflating (2,403) |
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| 02/15/1989 | EP0303469A2 Portable air pump assembly |
| 02/01/1989 | CN2031848U Pocket progressive type portable inflating pump |
| 01/25/1989 | CN2031458U Piston inflater |
| 01/25/1989 | CN2031457U Siphonable hand miniature reciprocating pump. |
| 01/25/1989 | CN2031456U Separator type single-tube gas-storage inflater |
| 01/25/1989 | CN2031455U Miniature foot pump. |
| 01/04/1989 | CN2030265U Inflater for car tyre |
| 12/14/1988 | CN88202211U Foldable inflator |
| 11/30/1988 | CN88211163U Multipurpose hand-driven portable high pressure inflater |
| 11/23/1988 | CN88202165U Lever type dual-pipe inflator for bicycles |
| 11/22/1988 | CA1245195A1 Stopper for a container such as a bottle, and a pump connectable thereto for extraction of gaseous medium from or pumping in thereof into the container |
| 11/09/1988 | CN88210245U Hand operating pneumatic liquid pump |
| 11/02/1988 | CN87212190U Hand pump for deep well |
| 10/11/1988 | US4776766 Portable air pump assembly and detechable safety lamp for automotive vehicle |
| 10/04/1988 | US4775302 Hand-held vacuum and pressure pump |
| 09/14/1988 | CN87205224U Pedal type dual piston high pressure air pump |
| 08/24/1988 | CN87205161U Single sylinder high pressure power saving air inflating sylinder |
| 08/23/1988 | US4765229 Portable vacuum pump for desoldering purposes |
| 08/17/1988 | CN88105859A Single cylinder effort-saving high-pressure air pump |
| 08/16/1988 | US4763803 Stopper for a container such as a bottle, and a pump connectable thereto for extraction of gaseous medium from or pumping in thereof into the container |
| 08/03/1988 | CN87207591U Tyre inflator with air-pressure meter |
| 07/27/1988 | CN87206193U Push rod limiter for inflater |
| 07/06/1988 | CN87202681U Simple air-extracting negative pressure apparatus |
| 06/08/1988 | CN87204901U Light-duty hand air pump for high pressure |
| 06/01/1988 | CN87201547U Durative hermetic inflator |
| 05/25/1988 | CN87205222U Cam type high-pressure inflate clamp |
| 05/18/1988 | EP0267755A2 Bicycle pump apparatus |
| 03/23/1988 | CN87209753U Hand-operated combined air extracting with inflating pump |
| 03/23/1988 | CN87203657U Pedal screw drivn air pump |
| 03/16/1988 | CN86207216U Portable manual reciprocating type vacuum-drawing device |
| 02/10/1988 | CN86208428U One way piston for tyre pump |
| 01/06/1988 | CN87203124U Frozen free double layer high pressure type pump |
| 12/15/1987 | US4712592 Bicycle pump apparatus |
| 12/02/1987 | CN87202494U Leaf spring hook type nozzle of inflator |
| 11/11/1987 | CN86209176U Single tube air-storage inflator |
| 11/04/1987 | CN87203706U High efficiency inflator |
| 09/02/1987 | EP0234607A1 Stopper for a container and a pump connectable thereto |
| 07/29/1987 | CN86207163U Pressure adjustale valve of inflator |
| 07/15/1987 | CN85205852U Stick type pocket air pump |
| 07/08/1987 | CN85202273U Pedal air-pump |
| 06/16/1987 | US4673007 Air and liquid pump for cushion shoes, combined a pressure scale and a ball pen |
| 05/13/1987 | CN86205210U Durable inflator |
| 03/26/1987 | DE3534155A1 Pressure adjuster |
| 03/25/1987 | EP0215752A2 Piston pump, particularly for inflating tyres, mattresses, sports equipment and the like |
| 02/04/1987 | CN86201228U Sleeve type high-pressure inflator |
| 01/07/1987 | CN85204730U Portable high-pressure bicycle pump |
| 12/24/1986 | CN85200500U Portable combination of spanner, tyre pump and lock for bicycle |
| 12/23/1986 | CA1215579A1 Pump |
| 12/16/1986 | US4629253 Seat occupant-activated underseat support air-cushion |
| 11/19/1986 | CN86200324U Sucking tube with a rubber valve element |
| 11/05/1986 | CN85203624U Wrench type gas-filled device for bicycle |
| 08/27/1986 | CN85203042U High pressure bicycle air pump with concentric double-tube |
| 08/20/1986 | CN85203339U Boost bicycle pump |
| 08/20/1986 | CN85202532U Leather bowl with cup spring for bicycle pump |
| 08/20/1986 | CN85201423U Two storeys high prssure bicycle pump |
| 07/09/1986 | CN85203300U Special tyre pump for bicycle |
| 07/02/1986 | CN85203277U Gas-filled and anti-theft device linked up with bicycle |
| 07/02/1986 | CN85202991U Gas-filled device for bicycle |
| 05/07/1986 | CN85203464U Pedal air cylinder with both pistou rod and air reservoir |
| 04/22/1986 | US4583925 Suction pump |
| 04/09/1986 | CN85200476U Multi-function pump operated by hand for raising liquids |
| 02/11/1986 | US4569275 Portable pump for inflating tires, in particular for a bicycle |
| 02/05/1986 | EP0170377A1 Portable vacuum pump for desoldering purposes |
| 01/21/1986 | US4565506 Hand operated vacuum pump |
| 01/08/1986 | EP0166828A1 Hand operated inflator |
| 08/21/1985 | EP0152401A2 Valve arrangement for the inflation and deflation of an air cushion |
| 07/09/1985 | CA1190193A1 Air pump |
| 04/02/1985 | US4508490 Two stage manual air pump |
| 09/18/1984 | US4472082 For underwater breathing |
| 07/31/1984 | US4462767 Air pump |
| 01/31/1984 | US4428478 Self-limiting pump |
| 01/17/1984 | US4425934 Head of an air pump for inflating pneumatic tires having a motorcycle valve |
| 11/16/1983 | EP0094231A1 Nebulizers |
| 08/09/1983 | US4397420 Spraying of plants, and apparatus therefor |
| 10/05/1982 | CA1132872A1 Device for the extraction of blood |
| 09/14/1982 | CA1131596A1 Spraying of plants, and apparatus therefor |
| 06/15/1982 | US4334839 Hand operated, dual chambered, pneumatic pump |
| 04/07/1982 | EP0048894A1 Air supply for divers from the water surface |
| 04/01/1982 | WO1982000985A1 Diving device |
| 03/24/1982 | EP0047809A1 Head of an air pump for inflating tyres having a motor-cycle valve |
| 03/16/1982 | US4319699 Portable sprayer actuated by user's body movement |
| 03/16/1982 | US4319570 Tracheal suction pump designed primarily for aspiration purposes |
| 12/09/1981 | EP0041225A1 Domestic equipment device for evacuating |
| 09/15/1981 | US4289458 Foot pumps |
| 09/08/1981 | US4287819 Source of vacuum and device for maintaining a negative pressure in an enclosure |
| 06/16/1981 | CA1103094A1 Foot pumps |
| 03/31/1981 | CA1098373A1 Foot pumps |
| 12/30/1980 | US4242060 Foot pumps |
| 08/12/1980 | US4216782 Device for the extraction of blood |
| 01/15/1980 | CA1069809A1 Method and an apparatus for injecting air into a spare pneumatic tire |
| 01/15/1980 | CA1069761A1 Tracheal suction pump designed primarily for life-saving purposes |
| 08/14/1979 | CA1060263A1 Hand-operated pump |
| 10/24/1978 | US4121736 Hand held atomizer washing device |
| 10/17/1978 | US4120614 Hand bicycle pump with pressure preselection and display means |
| 10/10/1978 | US4119244 Unitary mounted air-pressure pump and liquid outlet |
| 10/03/1978 | CA1039696A1 Pump with gauge means |
| 08/15/1978 | US4106392 Hand-operated pump |
| 07/25/1978 | USRE29707 Product pressurized air dispenser having improved product control valve actuator |
| 07/05/1977 | US4033091 Pressurizing closure apparatus |
| 04/12/1977 | USRE29176 Product pressurized compressed air dispenser |