Pistons, piston-rods or piston-rod connections

Patents Grantslast 30 patents

  • Information Patent Grant

    Linear compressor

    • Patent number 11,965,500
    • Issue date Apr 23, 2024
    • LG Electronics Inc.
    • Sangik Son
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Flexible manifold for reciprocating pump

    • Patent number 11,965,503
    • Issue date Apr 23, 2024
    • Halliburton Energy Services, Inc.
    • Joseph A. Beisel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus for conveying thick matter

    • Patent number 11,959,468
    • Issue date Apr 16, 2024
    • Putzmeister Engineering GmbH
    • Wolf-Michael Petzold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mobile thick matter pump

    • Patent number 11,939,967
    • Issue date Mar 26, 2024
    • Schwing GmbH
    • Rudolf Rabsahl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Displacement pump mounting and retention

    • Patent number 11,927,183
    • Issue date Mar 12, 2024
    • Graco Minnesota Inc.
    • David J. Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Displacement pump mounting and retention

    • Patent number 11,927,184
    • Issue date Mar 12, 2024
    • Graco Minnesota Inc.
    • David J. Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Plunger, pump, and liquid analysis device

    • Patent number 11,920,582
    • Issue date Mar 5, 2024
    • Kyocera Corporation
    • Satoru Tsubokura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compact high pressure, high life intensifier pump system

    • Patent number 11,920,579
    • Issue date Mar 5, 2024
    • Halliburton Energy Services, Inc.
    • Jim Basuki Surjaatmadja
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mechanically driven modular diaphragm pump

    • Patent number 11,905,939
    • Issue date Feb 20, 2024
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Booster pump and water purification device

    • Patent number 11,905,942
    • Issue date Feb 20, 2024
    • Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
    • Zhihua Wen
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Backup ring and liquid feeding pump using backup ring

    • Patent number 11,905,946
    • Issue date Feb 20, 2024
    • Shimadzu Corporation
    • Toshiki Sano
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Power end frame assembly for reciprocating pump

    • Patent number 11,898,553
    • Issue date Feb 13, 2024
    • SPM Oil & Gas Inc.
    • Joseph H. Byrne
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Plunger pump, liquid feeding device, and liquid chromatography device

    • Patent number 11,898,555
    • Issue date Feb 13, 2024
    • Kyocera Corporation
    • Kunihiro Yamabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Displacement pump mounting and retention

    • Patent number 11,891,991
    • Issue date Feb 6, 2024
    • Graco Minnesota Inc.
    • David J. Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston with sleeve for fluid pump

    • Patent number 11,891,992
    • Issue date Feb 6, 2024
    • Graco Minnesota Inc.
    • Jeromy D. Horning
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Heat exchanger array system and method for an air thermal conditioner

    • Patent number 11,885,577
    • Issue date Jan 30, 2024
    • Other Lab, LLC
    • Peter Lynn
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Valve assembly for a reciprocating compressor

    • Patent number 11,885,325
    • Issue date Jan 30, 2024
    • Haier US Appliance Solutions, Inc.
    • Gregory William Hahn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Volumetric pressure exchanger with booster effect and integrated fl...

    • Patent number 11,878,272
    • Issue date Jan 23, 2024
    • Yves Giraud
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Displacement pump mounting and retention

    • Patent number 11,873,809
    • Issue date Jan 16, 2024
    • Graco Minnesota Inc.
    • David J. Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Displacement pump mounting and retention

    • Patent number 11,873,810
    • Issue date Jan 16, 2024
    • Graco Minnesota Inc.
    • David J. Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Drive system for a positive displacement pump

    • Patent number 11,867,165
    • Issue date Jan 9, 2024
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High-throughput diaphragm compressor

    • Patent number 11,867,169
    • Issue date Jan 9, 2024
    • PDC Machines, Inc.
    • Guy Babbitt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating compressor

    • Patent number 11,859,604
    • Issue date Jan 2, 2024
    • LG Electronics Inc.
    • Jaeho Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Containing fluid leaks on additive pumps

    • Patent number 11,859,609
    • Issue date Jan 2, 2024
    • Natural Gas Solutions North America, LLC
    • Robert Erling Fowler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Retainer nut assembly for pump and methods

    • Patent number 11,859,643
    • Issue date Jan 2, 2024
    • SPM Oil & Gas Inc.
    • Richard D. Peer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid routing plug

    • Patent number 11,859,611
    • Issue date Jan 2, 2024
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Piston including a composite layer applied to metal substrate

    • Patent number 11,850,773
    • Issue date Dec 26, 2023
    • Tenneco Inc.
    • Warran Boyd Lineton
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    High pressure pump

    • Patent number 11,846,282
    • Issue date Dec 19, 2023
    • Kerr Machine Co.
    • Mark S. Nowell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Self-locking plug

    • Patent number 11,846,356
    • Issue date Dec 19, 2023
    • VULCAN INDUSTRIAL HOLDINGS, LLC
    • Kyle Matthew Ellisor
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston device and pump device

    • Patent number 11,840,995
    • Issue date Dec 12, 2023
    • ElringKlinger AG
    • Patrick Klein
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    PACKING CASE WITH DEGRADATION MONITORING

    • Publication number 20240133374
    • Publication date Apr 25, 2024
    • Dover Pumps & Process Solutions Segment, Inc.
    • Jason Craig Martin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP

    • Publication number 20240125313
    • Publication date Apr 18, 2024
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON UNIT FOR COMPRESSOR

    • Publication number 20240125319
    • Publication date Apr 18, 2024
    • Standard Cooling System Inc.
    • MIHYE KWON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SELF-LOCKING PLUG

    • Publication number 20240117882
    • Publication date Apr 11, 2024
    • Vulcan Industrial Holdings, LLC
    • Kyle Matthew Ellisor
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FLUID ROUTING PLUG

    • Publication number 20240117806
    • Publication date Apr 11, 2024
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HARD SEAL COMPACT, POSITIVE DISPLACEMENT PUMP WITH RECIPROCATING MO...

    • Publication number 20240110551
    • Publication date Apr 4, 2024
    • Becton, Dickinson and Company
    • Alessandro E. PIZZOCHERO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH PRESSURE PUMP

    • Publication number 20240077076
    • Publication date Mar 7, 2024
    • KERR MACHINE CO.
    • Mark S. Nowell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INDUCED FLOW DOUBLE DISC PUMP ASSEMBLY HAVING ROTATING ELEMENT

    • Publication number 20240077067
    • Publication date Mar 7, 2024
    • WASTECORP PUMPS INC.
    • MARC JOHNSON SOJA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTATING RECIPROCATING PISTON PUMP WITH A BARREL CAM

    • Publication number 20240068457
    • Publication date Feb 29, 2024
    • HTI Technology and Industries, Inc.
    • Roger L. DeYoung
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID END ASSEMBLY

    • Publication number 20240068459
    • Publication date Feb 29, 2024
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FLUID END ASSEMBLY

    • Publication number 20240068469
    • Publication date Feb 29, 2024
    • KERR MACHINE CO.
    • Christopher Todd Barnett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON, COMPRESSOR, COMPRESSED-AIR SUPPLY SYSTEM, VEHICLE, AND METH...

    • Publication number 20240060487
    • Publication date Feb 22, 2024
    • ZF CV Systems Europe BV
    • Klaus Bredbeck
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WATER-LUBRICATED HIGH-PRESSURE PUMP USING ROLLING SUPPORT

    • Publication number 20240060488
    • Publication date Feb 22, 2024
    • Shanghai Wave Rider Fluid Technology Co., Ltd.
    • Fan Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC PUMPING SYSTEM

    • Publication number 20240044326
    • Publication date Feb 8, 2024
    • Richard Frederick McNichol
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ORAL IRRIGATOR

    • Publication number 20240041578
    • Publication date Feb 8, 2024
    • Water Pik, Inc.
    • Harold A. Luettgen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    PUMP HEAD ELEMENT AND PUMP HEAD COMPRISING SAME, AND CONTAINER

    • Publication number 20240026877
    • Publication date Jan 25, 2024
    • BEIJING RED-SEA TECH CO., LTD.
    • Zengxin CHEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE OUTPUT, HYDRAULIC DRIVE SYSTEM

    • Publication number 20240026906
    • Publication date Jan 25, 2024
    • ROBERT D. KLINE
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    METHOD AND APPARATUS FOR RECOVERY OF LEAKING GASES FROM COMPRESSION...

    • Publication number 20230417239
    • Publication date Dec 28, 2023
    • Evan Scott Guy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    USING SILICONE O-RINGS IN DUAL ACTION IRRIGATION PUMP

    • Publication number 20230417238
    • Publication date Dec 28, 2023
    • BIOSENSE WEBSTER (ISRAEL) LTD.
    • Yehuda Algawi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OSCILLATING ARMATURE PUMP

    • Publication number 20230416072
    • Publication date Dec 28, 2023
    • Sysko AG Systeme & Komponenten
    • Norbert Helbling
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Application

    REMOVABLE PISTON ROD SLEEVE FOR FLUID PUMP

    • Publication number 20230383746
    • Publication date Nov 30, 2023
    • Graco Minnesota Inc.
    • Jeromy D. Horning
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DISPLACEMENT PUMP MOUNTING AND RETENTION

    • Publication number 20230383745
    • Publication date Nov 30, 2023
    • Graco Minnesota Inc.
    • David J. Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP

    • Publication number 20230381409
    • Publication date Nov 30, 2023
    • EOFLOW CO., LTD.
    • Do Kyung LEE
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    DISPLACEMENT PUMP MOUNTING AND RETENTION

    • Publication number 20230383744
    • Publication date Nov 30, 2023
    • Graco Minnesota Inc.
    • David J. Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPROVED HAND PUMP ASSEMBLY

    • Publication number 20230366385
    • Publication date Nov 16, 2023
    • ANTHONY E DAVIS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DISPLACEMENT PUMP MOUNTING AND RETENTION

    • Publication number 20230366396
    • Publication date Nov 16, 2023
    • Graco Minnesota Inc.
    • David J. Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BENT AXIS PLUNGER-TYPE VARIABLE HYDRAULIC MOTOR PUMP

    • Publication number 20230366393
    • Publication date Nov 16, 2023
    • BEIJING JODIN TECHNOLOGY CO. LTD
    • Yanyang LIU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BI-DIRECTIONAL BILGE PUMP

    • Publication number 20230358227
    • Publication date Nov 9, 2023
    • James D. Kutella
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DISPLACEMENT PUMP MOUNTING AND RETENTION

    • Publication number 20230349375
    • Publication date Nov 2, 2023
    • Graco Minnesota Inc.
    • David J. Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP ROD AND DRIVING LINK WITH SIDE-LOAD REDUCING CONFIGURATION

    • Publication number 20230340955
    • Publication date Oct 26, 2023
    • Graco Minnesota Inc.
    • David J. Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...