Patents for F04F 10 - Siphons (775) |
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03/01/2000 | CN2366600Y Lash type siphon device |
02/16/2000 | CN1244903A Liquid transfer system |
02/01/2000 | US6019116 Liquid transfer system |
01/19/2000 | CN1241900A Self-priming siphon, in particular for irrigation |
01/12/2000 | CN2358259Y Siphon pump |
11/25/1999 | WO1999060278A1 Raising siphon method and apparatus |
11/10/1999 | EP0954217A1 Self-priming siphon, in particular for irrigation |
10/26/1999 | US5970999 Hydraulic vacuum pump |
10/13/1999 | CN2343414Y Exhauster for siphon water-intaking water tank of front pool of hydroelectric station |
10/06/1999 | CN2342154Y Reducing diameter siphon tube |
05/26/1999 | CN2320829Y Counterflow-preventing syphon device |
05/25/1999 | CA2049363C Liquid aerating apparatus |
05/05/1999 | CN2317348Y Siphon automatic water-pumping tranfusion device |
04/27/1999 | US5898375 Siphon alarm and restarting mechanism |
04/22/1999 | WO1999019633A1 Multistage syphon |
04/07/1999 | CN2313093Y Multi-hole type box inverted siphon |
04/02/1999 | CA2213179A1 New "jiggle it" siphon. |
11/10/1998 | US5832948 Liquid transfer system |
10/07/1998 | CN2293673Y Self-absorbing pump |
10/07/1998 | CN2293334Y Combine suction tube |
09/30/1998 | CN2292928Y Oil syphon device |
09/17/1998 | WO1998040629A1 Vacuum pumping apparatus |
07/09/1998 | WO1998028967A1 Self-priming siphon, in particular for irrigation |
07/02/1998 | WO1998028545A1 Liquid transfer system |
07/02/1998 | CA2275252A1 Liquid transfer system |
06/24/1998 | EP0849410A2 De-aerating device for liquid carrying siphon pipes |
04/14/1998 | US5738137 Apparatus for creating surges in an aquarium |
08/06/1997 | CN2258931Y Portable siphon guider |
06/25/1997 | CN2256957Y Liquid sucker |
04/15/1997 | US5620309 Fluid pump priming system |
04/08/1997 | US5617891 Siphon apparatus |
02/26/1997 | CN2248263Y Self-running liquid pump |
02/05/1997 | CN2246726Y New siphone |
10/23/1996 | CN2238335Y Flexible rod valve type siphon oil pumping unit |
10/22/1996 | US5566706 Siphoning device to attain desired water level in pools and the like |
10/16/1996 | CN2237743Y Siphon |
10/09/1996 | CN2237138Y Hand operated pneumatic liquid pumping device |
09/26/1996 | DE19510246A1 Liq. exhausting mechanism for surface water removal on building sites etc. |
08/21/1996 | CN2233479Y Tube-drawing working machine |
06/11/1996 | US5524355 Method and device for the transport of a liquid-gas mixture in a paper making machine |
04/24/1996 | CN2225567Y Siphon tube |
04/17/1996 | CN2224943Y Siphon pump |
04/03/1996 | CN2223789Y Manual and adjustable negative pressure device for sucking liquid |
03/20/1996 | CN2222822Y Siphon type liquid taker |
02/14/1996 | CN2219978Y Siphon pot |
01/17/1996 | CN2217700Y Siphon started by hand suction |
01/16/1996 | US5484023 Floating layer recovery apparatus |
12/27/1995 | EP0688956A1 Device for a siphon for sewers |
12/27/1995 | CN2216165Y Box buffer oil siphon |
11/22/1995 | CN2213249Y Water draw-off pump |
10/25/1995 | EP0678632A1 Controlling device for a drain-syphon |
10/18/1995 | CN2210271Y Siphon device for pumping oil |
09/06/1995 | CN1029703C Vacuum siphon for sewer pipe |
08/16/1995 | CN2205463Y Siphon oil pump |
07/21/1995 | CA2140596A1 Method and device for the transport of a liquid-gas mixture in a paper making machine |
07/20/1995 | DE4400919A1 Fuel suction from two chamber saddle tank |
07/05/1995 | CN2202817Y Automatic equal quantity interruption siphon device |
06/14/1995 | CN2200716Y Siphon oil transfer apparatus |
05/24/1995 | CN2198431Y Siphon oil pump |
05/03/1995 | CN2196200Y Self-flow type suction tube |
05/03/1995 | CN1102242A Siphon water-pumping device |
04/26/1995 | CN2195573Y Large-flow, high-level siphoning installation |
03/01/1995 | CN1027767C Aspirated syphon shoe |
01/12/1995 | DE4335021A1 Method and arrangement for transporting liquids with a high gas portion in pipelines |
01/09/1995 | CA2123649A1 Illuminated siphon |
01/04/1995 | CN2186814Y 液体虹吸器 Liquid siphon |
11/23/1994 | CN2183465Y Self-flowing liquid-suction gun |
11/16/1994 | CN2182896Y Three way tube siphon |
11/15/1994 | US5364034 Controlled low volume irrigation system |
11/02/1994 | CN2181586Y Miniature hand pump |
11/02/1994 | CN2181585Y Siphon oil pump |
10/25/1994 | US5358000 Siphon pump having a metering chamber |
10/20/1994 | CA2094327A1 Gas-pouring and extracting device |
10/12/1994 | CN2179482Y Automatic siphon device |
10/05/1994 | CN2178805Y Liquid absorption apparatus |
09/21/1994 | CN2177829Y Semi-automatic liquid pump |
09/15/1994 | DE4307318A1 Method and appliance for extracting liquid from a container |
09/07/1994 | CN2176456Y Syphon conveyer |
09/06/1994 | US5343888 Automatic syphon system |
08/24/1994 | CN2175318Y Siphon fluid infusion device |
08/23/1994 | US5339858 Device for restoring a fluid level in a fluid receptacle |
08/17/1994 | CN2174584Y Liquid aspiration apparatus |
08/17/1994 | CN2174246Y Siphon sludge machine |
08/02/1994 | US5333639 Illuminated siphon |
06/22/1994 | CN2169721Y Non-return siphon valve |
06/21/1994 | CA2003514C Flexible siphon pipe for tank car |
06/15/1994 | CN2168975Y Vibrating sucker |
06/09/1994 | DE4401582A1 Method of continuous delivering of fluid-gas mixture - involves having gas separated from fluid-gas flow between first and second level above which it is directed |
06/08/1994 | CN2168109Y Siphonic starter |
03/30/1994 | CN2160030Y Multi-purpose liquid adding device |
03/23/1994 | CN2159468Y Vacuum siphon guide |
03/15/1994 | US5293894 Automatic prime and flush siphon condensate pump system |
02/16/1994 | CN2156326Y Self-flow oil suction device |
02/16/1994 | CN2156305Y Flow and suction two-purpose pump |
02/08/1994 | US5284173 Automatic continuous self-draining, self-cleaning and self-replenishing apparatus and system for watering stock |
01/05/1994 | CN2152109Y Sliding valve type siphon |
12/22/1993 | CN2150375Y Liquid-sucting device |
12/15/1993 | CN2149503Y Multi-purpose siphon |
12/14/1993 | US5269338 Aquarium siphon apparatus |
12/01/1993 | CN2148197Y Self-flow type oil pumping device |