Patents for F16K 3 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing (13,986) |
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04/30/1981 | WO1981001183A1 Refrigerant flow reversing valve |
04/28/1981 | US4264054 Metal-to-metal seat hub seals |
04/21/1981 | US4262898 Hand exerciser having a counter |
04/21/1981 | US4262878 Hydraulic valve |
04/15/1981 | EP0027027A1 Flexible gate valve |
04/14/1981 | US4261389 Gas injecting valve for suspensions |
04/08/1981 | EP0026586A1 Flow control valve |
04/07/1981 | US4260134 Skirted hub with full penetration butt weld to body |
03/31/1981 | US4258743 Expanding gate valve having mechanically secured seats |
03/24/1981 | US4257580 Pneumatic spring |
03/24/1981 | US4257543 Three-plate slide valve closure for liquid melt containers |
03/24/1981 | US4257447 Gate valve |
03/17/1981 | US4256163 Valve cartridge |
03/10/1981 | CA1097391A1 Air gun with balanced pressure valve |
03/10/1981 | CA1097306A1 Skirted hub with full penetration butt weld to body |
03/10/1981 | CA1097305A1 Valve for opening and closing a fluid conduit |
03/10/1981 | CA1097188A1 Hydraulic power system |
03/03/1981 | US4253487 Multi-position dual disc slide valve |
03/03/1981 | US4253485 Valve for opening and closing a fluid conduit |
03/03/1981 | US4253483 Movable blade damper |
03/03/1981 | US4253400 Railway hopper car sliding gate closing mechanism |
03/03/1981 | CA1096842A1 Valve |
02/24/1981 | CA1096356A1 Lined gate valve having improved seat |
02/24/1981 | CA1096355A1 Eccentrically rotatable valve |
02/24/1981 | CA1096344A1 Power-operated loading gate for centrifugal machines incorporating an auxiliary drive device |
02/17/1981 | US4251193 Flow control valve |
02/17/1981 | US4250912 Cartridge faucet for hydraulic systems |
02/10/1981 | US4249574 Orifice trim and backpressure plate for high pressure valves |
02/10/1981 | US4249560 Automatic valve clearoff |
02/03/1981 | US4248158 Railway hopper car gate outlet actuating mechanism |
01/27/1981 | US4246928 Restricted movement valve seats for an expanding gate valve |
01/27/1981 | CA1094530A1 Resilient seated gate valve |
01/27/1981 | CA1094529A1 Valve |
01/20/1981 | US4245661 Heat responsive back seat arrangement for valve operator |
01/13/1981 | US4244557 High vacuum seal |
01/13/1981 | CA1093423A1 Valve |
01/13/1981 | CA1093391A1 Plumbing test fitting |
01/07/1981 | EP0021057A1 Stop valve |
12/30/1980 | US4241896 Method of making calibrated gas metering orifice and product thereof |
12/30/1980 | US4241754 Pushbutton diverter |
12/23/1980 | US4240608 Controlled float seat arrangement for expanding gate valves |
12/23/1980 | US4240460 Means for limiting floating movement of gate valve seats |
12/16/1980 | CA1091637A1 Slide gate damper |
12/11/1980 | WO1980002732A1 Expanding gate valve having mechanically secured seats |
12/09/1980 | US4238111 Gate valve for use with vacuum equipment |
12/09/1980 | CA1091216A1 Ball valve |
12/02/1980 | US4236692 Controlled floating seat for gate valves |
12/02/1980 | US4236547 Self-cleaning valve plug and seat assembly |
11/25/1980 | US4235257 Elastic seating element for a cutoff device |
11/25/1980 | US4235256 Damper assembly for gas duct |
11/18/1980 | US4234010 Self-cleaning dump valve for chemical reactor tank |
11/18/1980 | CA1089730A1 Fluid coupling for a fan drive |
11/04/1980 | US4231547 Dispensing valve for liquids |
11/04/1980 | US4231544 Locking crankcase drain valve assembly |
11/04/1980 | US4231388 Gate for use in a gate valve |
11/04/1980 | CA1088910A1 Replaceable one piece liner for a gate valve |
11/04/1980 | CA1088909A1 Apparatus for opening and closing a fluid conduit |
10/21/1980 | US4228988 Valve |
10/14/1980 | CA1087590A1 Eccentric rotary valve with control-improving wing member |
10/07/1980 | CA1087150A1 Sub-surface gate valve |
09/30/1980 | US4225115 Gate valve |
09/30/1980 | CA1086706A1 Knife gate valve |
09/30/1980 | CA1086638A1 Sliding valve |
09/23/1980 | US4223868 Resilient seated gate valve |
09/23/1980 | US4223867 Valve with a pair of valve plates |
09/17/1980 | EP0015600A1 Cock of improved type |
09/16/1980 | US4222406 Wedge-type gate valve |
09/16/1980 | CA1085807A1 Resilient seated gate valve with improved seat arrangement |
09/09/1980 | US4221307 Method and apparatus for material handling |
08/26/1980 | US4219188 Slide valve for the injection of material for use in the outlet of a metallurgical vessel |
08/26/1980 | US4219183 Operating mechanism for valves, gates and the like |
08/26/1980 | US4219182 Liquid flow control valve |
08/19/1980 | US4218041 Low noise slide valve |
08/06/1980 | EP0014107A1 Method of manufacturing a cylindrical sleeve with inner grooves, closed at least at one end |
08/05/1980 | US4215846 Multiportion unitary valve seat and valve incorporating it |
08/05/1980 | US4215845 Engine air cut-off device |
07/29/1980 | US4214730 Chemically inert control valve |
07/29/1980 | US4214608 Apparatus for opening and closing a fluid conduit |
07/29/1980 | CA1082564A1 Spool type metering valve |
07/22/1980 | US4213741 Variable flow ejector |
07/10/1980 | WO1980001406A1 Slide valve |
07/01/1980 | US4210308 Valve |
06/24/1980 | CA1080084A1 Low noise slide valve |
06/17/1980 | US4208035 Metal gate valve seat having a flexible front lip face seal |
06/10/1980 | US4206905 Gate valve |
06/10/1980 | CA1079253A1 Anti-cavitation valve |
06/03/1980 | US4205822 Dispensing valve |
06/03/1980 | US4205821 Multi-way rotary valve for a fluid under pressure |
05/29/1980 | WO1980001107A1 Method and apparatus for material handling |
05/27/1980 | US4204662 Valve for controlling the flow of fluids in conduits and the like |
05/27/1980 | CA1078361A1 Limited float seat construction for expanding gate valve |
05/20/1980 | US4203570 Power-operated loading gate for centrifugal machines incorporating an auxiliary drive device |
05/20/1980 | US4203470 Safety valve for gas pipes |
05/13/1980 | US4202527 Scissor-type valve |
05/06/1980 | US4201365 Lined gate valve having improved seat |
05/06/1980 | CA1077010A1 Multi-position disc slide valve |
04/22/1980 | CA1076094A1 Gate valve having a single floating seat and a fixed seat |
03/25/1980 | US4194721 Plumbing test fitting |
03/20/1980 | WO1980000483A1 Power-operated loading gate for centrifugal machines incorporating an auxiliary drive device |
03/18/1980 | US4193581 Cage for gate valves and method of assembly |