Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04F - Pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped; Siphons › F04F 10 - Siphons
Patents for F04F 10 - Siphons (775)
09/1987
09/23/1987CN86207215U Siphon appliance
09/02/1987CN86202914U Liquid drainage device
07/1987
07/30/1987WO1987004508A1 Automatic purge siphon for evaporative air cooler
07/29/1987CN86204453U Manual liquid suction pump
07/21/1987CA1224377A1 Solar actuated drain system
07/15/1987CN86207851U Combined siphon
07/08/1987CN86209020U Siphon pump for transferring liquid to other place
07/01/1987CN86209521U Fixed positioned and directional siphon unit
06/1987
06/09/1987US4671436 Syphon assembly and package incorporating the assembly
06/03/1987CN86200228U 单向阀 Check valve
04/1987
04/29/1987CN86200942U Oil sucking device
03/1987
03/24/1987US4651767 Conveyor dewatering system
02/1987
02/04/1987CN85203646U Semi-automatic oil suction device
12/1986
12/03/1986CN86201174U Auto-start siphon with one-way valve
12/02/1986US4625752 Flushing siphon
10/1986
10/29/1986CN86202227U Liquid diversion device
10/08/1986CN85102625A Automatic extracting machine of dilute fluid
08/1986
08/27/1986CN85104389A Syphon assambly package, head, method, tilling apparatus and tilling process
07/1986
07/16/1986CN85203183U Circulating dripping guanyin
07/15/1986CA1207590A1 Siphon starter
07/02/1986CN85109567A Siphon device
04/1986
04/01/1986US4579139 Siphon starter
03/1986
03/11/1986US4574828 Hand held and hand operated pumping and siphoning device
12/1985
12/20/1985CN85102606A Simple constructed siphon with an elastic bag
04/1985
04/30/1985US4513768 For transferring a water accumulation from a roof surface to a lower level
03/1984
03/27/1984CA1164306A1 Pressure-operated portable siphon apparatus for removing concentrations of liquid from a gas pipeline
03/07/1984EP0102287A1 Siphon apparatus with variable flow
01/1984
01/17/1984US4425932 Siphon ladling apparatus
11/1983
11/22/1983CA1157342A1 Siphon
11/15/1983US4414997 Siphon
10/1983
10/27/1983WO1983003642A1 Siphon starter
09/1983
09/27/1983US4406300 Roof siphon drain
05/1982
05/25/1982CA1124159A1 Automatic water supply device
03/1982
03/16/1982US4319601 Trigger mechanism for siphon apparatus
01/1982
01/12/1982US4310013 Siphon device
12/1981
12/01/1981US4303092 Siphonic irrigation apparatus
11/1981
11/24/1981US4301826 Combination siphon and positive action pump
09/1981
09/22/1981US4290443 Flexible tube liquid transfer device
08/1981
08/27/1981EP0026206A4 Stationary siphon.
08/04/1981US4281625 Automatic water supply device
04/1981
04/14/1981CA1099179A1 Method and device for siphoning water from a ponding area on a flat roof
04/08/1981EP0026206A1 Stationary siphon
03/1981
03/10/1981CA1097178A1 Flexible syphon pipe for corrugator rollers
02/1981
02/10/1981US4249559 Reliable trap filling device for siphon apparatus
12/1980
12/30/1980CA1092478A1 Temperature actuated siphon system
11/1980
11/18/1980CA1089727A1 Automatic water supply system for breeding or raising animals
11/14/1980EP0016128A4 Device for siphoning water from a ponding area on a flat roof.
11/11/1980US4232694 Siphon
10/1980
10/16/1980WO1980002187A1 Stationary siphon
10/01/1980EP0016128A1 Device for siphoning water from a ponding area on a flat roof
09/1980
09/16/1980CA1085769A1 Sea water desalination apparatus
05/1980
05/13/1980US4202294 Automatic water supply system for breeding or raising animals
02/1980
02/07/1980WO1980000175A1 Method and apparatus for siphoning water from a ponding area on a flat roof
01/1980
01/01/1980US4181142 Siphon apparatus
10/1979
10/23/1979US4171709 Device for siphoning water from a ponding area on a flat roof
10/23/1979US4171706 Method for siphoning water from a ponding area on a flat roof
09/1979
09/25/1979US4168717 Temperature actuated siphon system
05/1979
05/15/1979CA1054481A1 Solar actuated siphon drain
04/1979
04/24/1979CA1053076A1 Combined pump and siphon
03/1979
03/13/1979CA1050206A1 Actuating valve
12/1978
12/12/1978US4129140 Automatic flushing device
11/1978
11/07/1978US4124035 Self priming siphon
09/1978
09/12/1978US4112963 Siphon tube starter
08/1978
08/22/1978CA1036953A1 Device for automatically extracting sludge from a water treatment apparatus and washing same
06/1978
06/20/1978US4095615 Check valve and siphon tube assembly employing same
03/1978
03/07/1978US4077602 Actuating valve
02/1978
02/14/1978US4073305 Siphon pump
01/1978
01/10/1978US4067500 Apparatus for conveying fluid from a lower level to an elevated level
11/1977
11/22/1977US4059531 Automatic sludge extraction and washing device for use in a water treatment settling apparatus
11/22/1977US4059126 Solar actuated siphon drain
08/1977
08/16/1977US4041971 Siphon starting device
11/1976
11/09/1976US3990466 Stop and waste valve construction
08/1976
08/10/1976US3973751 Siphon with pressure priming and pneumatic reflux
07/1976
07/06/1976US3967917 Process and equipment for lifting secondary liquids with the energy of primary liquids
05/1976
05/25/1976US3958589 Siphon
1 2 3 4 5 6 7 8