| Patents for F16K 41 - Spindle sealings (6,230) |
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| 11/20/2013 | CN203297651U Minimal flow adjusting valve of seamless self-centering valve core |
| 11/20/2013 | CN203297636U Stop valve |
| 11/20/2013 | CN103398195A Material supplying backflow safety valve |
| 11/20/2013 | CN103398187A Periodical and fast hard-seal drainage valve of high-pressure boiler |
| 11/20/2013 | CN103398177A Heat-resisting valve |
| 11/20/2013 | CN102563122B Continuously switchable four-way rotary valve |
| 11/14/2013 | WO2013169515A1 Low diffusivity barrier fluid packing system |
| 11/13/2013 | CN203286123U Valve rod sealing ring with metal spring |
| 11/13/2013 | CN203286122U Valve rod seal ring of multiple sealing structures |
| 11/13/2013 | CN203286121U Self-sealing gate valve |
| 11/13/2013 | CN203286120U Fluorine lining stop valve sealing structure |
| 11/13/2013 | CN203286119U Piston type zero-leakage gate valve |
| 11/13/2013 | CN203286118U Valve packing sealing device |
| 11/13/2013 | CN203286117U Valve packing sealing device |
| 11/13/2013 | CN203286116U Valve packing sealing device |
| 11/13/2013 | CN203286104U Control device of valve |
| 11/13/2013 | CN203286087U Non-corrosive high-temperature high-pressure Y-shaped self-sealing stop valve |
| 11/13/2013 | CN203286062U Supercritical lifting check valve |
| 11/13/2013 | CN203286043U High-temperature wear-resisting hard sealing floating ball valve |
| 11/13/2013 | CN203286026U Supercritical elastic self-sealing sluice valve |
| 11/12/2013 | CA2661736C Low friction live-loaded packing |
| 11/06/2013 | CN203272990U American-standard improved lengthened stop valve |
| 11/06/2013 | CN203272989U Low-pressure air intake control valve lifting rod sealing device of steam feed pump turbine |
| 11/06/2013 | CN203272988U Novel valve rod positioning ring |
| 11/06/2013 | CN203272987U Non-negative pressure valve of non-negative pressure tank |
| 11/06/2013 | CN203272832U Thermal recovery expansion valve |
| 11/06/2013 | CN203272828U Corrugated pipe electric gate valve for ammonia gas |
| 11/06/2013 | CN203272827U American-standard corrugated gate valve |
| 11/06/2013 | CN203272820U Valve rod non-rotating internal pressing type corrugated pipe stop valve |
| 11/06/2013 | CN203272818U Balanced cage type single-seat adjusting valve |
| 11/06/2013 | CN203272811U Internal pressure corrugated pipe stop valve with opening and closing position display |
| 11/06/2013 | CN203272810U Stop valve |
| 11/06/2013 | CN203272809U Automatic centering internal thread stop valve |
| 10/30/2013 | CN203258104U Faucet lifting water segregator structure |
| 10/30/2013 | CN203258083U Piston-type zero-leakage cut-off valve |
| 10/30/2013 | CN203258079U Regulating valve |
| 10/30/2013 | CN103375602A Open valve seat type ball valve |
| 10/30/2013 | CN103375596A Low-temperature welding double-eccentric aluminum butterfly valve |
| 10/30/2013 | CN102748493B Separated-type oscillatory vacuum insertion board and valve core |
| 10/23/2013 | CN203248822U 暖通控制阀 HVAC control valve |
| 10/23/2013 | CN203248759U Durable valve |
| 10/23/2013 | CN203248746U Large-aperture high-vacuum triple-eccentric double-seal butterfly valve |
| 10/23/2013 | CN203248740U Tank bottom valve with piston rod sealing and positioning mechanism |
| 10/23/2013 | CN103363187A Secondary-expansion supplementary flexible graphite packing |
| 10/23/2013 | CN103363178A Electromagnetic reversing valve sealing structure |
| 10/23/2013 | CN103363147A Non-wear fixed ball valve with low torque |
| 10/23/2013 | CN103363134A High-reliability bi-directional hard sealing butterfly valve |
| 10/23/2013 | CN103363131A 蝶阀 Butterfly |
| 10/23/2013 | CN103363129A Center line-type butterfly valve with novel valve seat structure |
| 10/23/2013 | CN103363125A Multistage-opening valve driven by slowdown motor |
| 10/20/2013 | CA2812270A1 Electromagnetic valve for a tank valve of a fuel supply system |
| 10/17/2013 | WO2013154683A1 Plug valve and stem sealing assembly |
| 10/16/2013 | CN203240083U Railway classification yard electronic control valve piston rod sealing structure |
| 10/16/2013 | CN203240082U Valve lining used for stepped valve rod |
| 10/16/2013 | CN203239986U Integrated type high performance partitioning valve |
| 10/16/2013 | CN203239984U Ball valve |
| 10/16/2013 | CN203239983U Highly-sealed ball valve |
| 10/16/2013 | CN203239982U Valve convenient to operate |
| 10/16/2013 | CN203239978U Integrated rigidity sealing ball valve |
| 10/16/2013 | CN203239968U Dual sealing lamination valve |
| 10/16/2013 | CN203239962U Integrated type valve-deck-less through shut-off valve |
| 10/16/2013 | CN203233677U Swinging rod type liquid fertilizer fertilization controller with sealing membrane |
| 10/16/2013 | CN103353014A Double protection valve lock |
| 10/16/2013 | CN103352987A Welded lining butterfly valve |
| 10/16/2013 | CN102606766B Bounce type water separator |
| 10/15/2013 | CA2601079C Split packing follower for use with valves |
| 10/09/2013 | CN203230938U Valve rod projection jacket |
| 10/09/2013 | CN203230870U Wear-resistant slurry conveying ball valve |
| 10/09/2013 | CN203230867U 防火球阀 Fire Ball |
| 10/09/2013 | CN203230856U Whistle horn of urban rail vehicle |
| 10/09/2013 | CN103343835A Sealing structure of valve |
| 10/09/2013 | CN103343833A Mechanical valve lock with dual protection mechanisms |
| 10/09/2013 | CN102425682B High-temperature and high-pressure steam pressure reducing ball valve and production technology thereof |
| 10/08/2013 | US8550117 Seal assembly for a fluid pressure control device |
| 10/03/2013 | WO2013147638A1 Manometer needle valve |
| 10/02/2013 | CN203223609U Check valve |
| 10/02/2013 | CN203223592U Center-line soft-seal three-way butterfly valve |
| 10/02/2013 | CN203223571U Threaded butterfly valve |
| 10/02/2013 | CN203223566U Low-pressure stop valve |
| 10/02/2013 | CN103335160A Fluid stop valve |
| 10/02/2013 | CN103335129A High-temperature high-pressure ball valve |
| 09/25/2013 | CN203215278U Vertical type liquefied gas steel cylinder valve |
| 09/25/2013 | CN203215059U Shaft end seal device |
| 09/25/2013 | CN203215058U Valve rod sealing structure of ball valve |
| 09/25/2013 | CN203215057U Pretension force self-compensating packing seat |
| 09/25/2013 | CN203215056U Novel ball valve pivot seal structure |
| 09/25/2013 | CN203215014U Bidirectional flow pneumatic angle seat valve |
| 09/25/2013 | CN203214977U Check valve |
| 09/25/2013 | CN203214960U Temperature sensing water outlet device |
| 09/25/2013 | CN203214957U Combined pressure gauge stop valve |
| 09/25/2013 | CN203214929U All-welded fixed ball valve with cylindrical body |
| 09/25/2013 | CN203214927U High-temperature-resistant stainless steel valve for petrochemical engineering |
| 09/25/2013 | CN203214926U Spherical all-welded fixed ball valve |
| 09/25/2013 | CN203214923U Worm wheel driven polymer injection high-pressure ball valve |
| 09/25/2013 | CN203214897U High-pressure self-sealing check valve with low flow resistance |
| 09/25/2013 | CN203214894U Stop valve with non-rotatable valve rod |
| 09/25/2013 | CN203214892U Boiler water circulating pump with valve cover packing seal mechanism |
| 09/25/2013 | CN103322285A Adjustable faucet |
| 09/25/2013 | CN103322212A Floating type valve seat thermal butterfly valve |
| 09/25/2013 | CN103322211A Metal sealed butterfly valve without pin connection |