US20050169776A1 - Hydraulic gravity ram pump - Google Patents

Hydraulic gravity ram pump Download PDF

Info

Publication number
US20050169776A1
US20050169776A1 US10/765,979 US76597904A US2005169776A1 US 20050169776 A1 US20050169776 A1 US 20050169776A1 US 76597904 A US76597904 A US 76597904A US 2005169776 A1 US2005169776 A1 US 2005169776A1
Authority
US
United States
Prior art keywords
liquid
piston
passageway
cylinder
reload chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US10/765,979
Other languages
English (en)
Inventor
Richard McNichol
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US10/765,979 priority Critical patent/US20050169776A1/en
Priority to AU2005207990A priority patent/AU2005207990B2/en
Priority to PCT/CA2005/000096 priority patent/WO2005073555A1/fr
Priority to CA 2554856 priority patent/CA2554856C/fr
Priority to DE200560018169 priority patent/DE602005018169D1/de
Priority to DK05706422T priority patent/DK1714031T3/da
Priority to AT05706422T priority patent/ATE451551T1/de
Priority to RU2006130682A priority patent/RU2362050C2/ru
Priority to US10/587,903 priority patent/US7967578B2/en
Priority to JP2006549817A priority patent/JP2007519849A/ja
Priority to EP20050706422 priority patent/EP1714031B1/fr
Priority to MXPA06008420A priority patent/MXPA06008420A/es
Publication of US20050169776A1 publication Critical patent/US20050169776A1/en
Priority to HK07104319A priority patent/HK1098186A1/xx
Priority to AU2011201523A priority patent/AU2011201523B2/en
Priority to US13/169,243 priority patent/US8535017B2/en
Priority to US13/837,326 priority patent/US9115710B2/en
Priority to US13/965,009 priority patent/US8932030B2/en
Priority to US14/594,023 priority patent/US20150125315A1/en
Priority to US14/833,019 priority patent/US20160186739A1/en
Abandoned legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/103Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber
    • F04B9/107Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber rectilinear movement of the pumping member in the working direction being obtained by a single-acting liquid motor, e.g. actuated in the other direction by gravity or a spring
    • F04B9/1076Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber rectilinear movement of the pumping member in the working direction being obtained by a single-acting liquid motor, e.g. actuated in the other direction by gravity or a spring with fluid-actuated inlet or outlet valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B19/00Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B47/00Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F04B47/06Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having motor-pump units situated at great depth
    • F04B47/08Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having motor-pump units situated at great depth the motors being actuated by fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B47/00Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F04B47/06Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having motor-pump units situated at great depth
    • F04B47/08Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having motor-pump units situated at great depth the motors being actuated by fluid
    • F04B47/10Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having motor-pump units situated at great depth the motors being actuated by fluid the units or parts thereof being liftable to ground level by fluid pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/103Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber
    • F04B9/107Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber rectilinear movement of the pumping member in the working direction being obtained by a single-acting liquid motor, e.g. actuated in the other direction by gravity or a spring

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
US10/765,979 2004-01-29 2004-01-29 Hydraulic gravity ram pump Abandoned US20050169776A1 (en)

Priority Applications (19)

Application Number Priority Date Filing Date Title
US10/765,979 US20050169776A1 (en) 2004-01-29 2004-01-29 Hydraulic gravity ram pump
JP2006549817A JP2007519849A (ja) 2004-01-29 2005-01-27 水圧式ラムポンプ
EP20050706422 EP1714031B1 (fr) 2004-01-29 2005-01-27 Pompe hydraulique refoulante
CA 2554856 CA2554856C (fr) 2004-01-29 2005-01-27 Pompe hydraulique refoulante
DE200560018169 DE602005018169D1 (de) 2004-01-29 2005-01-27 Hydraulikzylinderpumpe
DK05706422T DK1714031T3 (da) 2004-01-29 2005-01-27 Hydraulisk stempelpumpe
AT05706422T ATE451551T1 (de) 2004-01-29 2005-01-27 Hydraulikzylinderpumpe
RU2006130682A RU2362050C2 (ru) 2004-01-29 2005-01-27 Гидравлический плунжерный насос
US10/587,903 US7967578B2 (en) 2004-01-29 2005-01-27 Hydraulic gravity ram pump
AU2005207990A AU2005207990B2 (en) 2004-01-29 2005-01-27 Hydraulic ram pump
PCT/CA2005/000096 WO2005073555A1 (fr) 2004-01-29 2005-01-27 Pompe hydraulique refoulante
MXPA06008420A MXPA06008420A (es) 2004-01-29 2005-01-27 Bomba de ariete hidraulico.
HK07104319A HK1098186A1 (en) 2004-01-29 2007-04-24 Hydraulic ram pump
AU2011201523A AU2011201523B2 (en) 2004-01-29 2011-04-05 Hydraulic ram pump
US13/169,243 US8535017B2 (en) 2004-01-29 2011-06-27 Hydraulic gravity ramp pump
US13/837,326 US9115710B2 (en) 2004-01-29 2013-03-15 Coaxial pumping apparatus with internal power fluid column
US13/965,009 US8932030B2 (en) 2004-01-29 2013-08-12 Hydraulic gravity ram pump
US14/594,023 US20150125315A1 (en) 2004-01-29 2015-01-09 Hydraulic gravity ram pump
US14/833,019 US20160186739A1 (en) 2004-01-29 2015-08-21 Coaxial pumping apparatus with internal power fluid column

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/765,979 US20050169776A1 (en) 2004-01-29 2004-01-29 Hydraulic gravity ram pump

Related Child Applications (3)

Application Number Title Priority Date Filing Date
PCT/CA2005/000096 Continuation-In-Part WO2005073555A1 (fr) 2004-01-29 2005-01-27 Pompe hydraulique refoulante
US10/587,903 Continuation-In-Part US7967578B2 (en) 2004-01-29 2005-01-27 Hydraulic gravity ram pump
US11/587,903 Continuation-In-Part US8107123B2 (en) 2004-04-30 2005-03-29 Tone correction apparatus, mobile terminal, image capturing apparatus, mobile phone, tone correction method and program for improve local contrast in bright and dark regions

Publications (1)

Publication Number Publication Date
US20050169776A1 true US20050169776A1 (en) 2005-08-04

Family

ID=34807574

Family Applications (5)

Application Number Title Priority Date Filing Date
US10/765,979 Abandoned US20050169776A1 (en) 2004-01-29 2004-01-29 Hydraulic gravity ram pump
US10/587,903 Active 2026-06-04 US7967578B2 (en) 2004-01-29 2005-01-27 Hydraulic gravity ram pump
US13/169,243 Expired - Lifetime US8535017B2 (en) 2004-01-29 2011-06-27 Hydraulic gravity ramp pump
US13/965,009 Expired - Lifetime US8932030B2 (en) 2004-01-29 2013-08-12 Hydraulic gravity ram pump
US14/594,023 Abandoned US20150125315A1 (en) 2004-01-29 2015-01-09 Hydraulic gravity ram pump

Family Applications After (4)

Application Number Title Priority Date Filing Date
US10/587,903 Active 2026-06-04 US7967578B2 (en) 2004-01-29 2005-01-27 Hydraulic gravity ram pump
US13/169,243 Expired - Lifetime US8535017B2 (en) 2004-01-29 2011-06-27 Hydraulic gravity ramp pump
US13/965,009 Expired - Lifetime US8932030B2 (en) 2004-01-29 2013-08-12 Hydraulic gravity ram pump
US14/594,023 Abandoned US20150125315A1 (en) 2004-01-29 2015-01-09 Hydraulic gravity ram pump

Country Status (12)

Country Link
US (5) US20050169776A1 (fr)
EP (1) EP1714031B1 (fr)
JP (1) JP2007519849A (fr)
AT (1) ATE451551T1 (fr)
AU (2) AU2005207990B2 (fr)
CA (1) CA2554856C (fr)
DE (1) DE602005018169D1 (fr)
DK (1) DK1714031T3 (fr)
HK (1) HK1098186A1 (fr)
MX (1) MXPA06008420A (fr)
RU (1) RU2362050C2 (fr)
WO (1) WO2005073555A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080219869A1 (en) * 2007-01-30 2008-09-11 Norm Fisher Coaxial pumping apparatus with internal power fluid column
WO2008128483A2 (fr) 2007-04-18 2008-10-30 Pavel Simka Système de pompe à chaleur et procédé pour pomper des liquides
US8535017B2 (en) 2004-01-29 2013-09-17 Richard Frederick McNichol Hydraulic gravity ramp pump
US20130302182A1 (en) * 2010-10-08 2013-11-14 Thomas C.B. Smith Pumping apparatus and methods
US20130327033A1 (en) * 2008-04-09 2013-12-12 Sustainx, Inc. Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange
US9115710B2 (en) 2004-01-29 2015-08-25 Richard F. McNichol Coaxial pumping apparatus with internal power fluid column
EP2435701A4 (fr) * 2009-05-27 2017-05-24 Impact Technology Systems AS Appareil utilisant des transitoires de pression pour transporter des fluides
US9803442B2 (en) 2010-06-17 2017-10-31 Impact Technology Systems As Method employing pressure transients in hydrocarbon recovery operations
US9863225B2 (en) 2011-12-19 2018-01-09 Impact Technology Systems As Method and system for impact pressure generation
US20180373453A1 (en) * 2017-06-27 2018-12-27 Western Digital Technologies, Inc. Methods of using embedded disconnected circuits in magnetic storage media of data storage devices
WO2019018565A1 (fr) * 2017-07-18 2019-01-24 Daniel E. Altman Système de pompage hydraulique
CN113623197A (zh) * 2021-09-06 2021-11-09 谢雄伟 一种变频水泵

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102207067A (zh) * 2011-05-04 2011-10-05 全栋(南京)太阳能光伏有限公司 推进式清水泵
RU2519154C1 (ru) * 2013-04-15 2014-06-10 Ривенер Мусавирович Габдуллин Скважинная насосная установка
US20160340849A1 (en) * 2015-05-18 2016-11-24 M-B-W, Inc. Vibration isolator for a pneumatic pole or backfill tamper
US20200248680A1 (en) * 2019-02-04 2020-08-06 Baker Hughes Oilfield Operations Llc Double hydraulic activated receptacle pump
US11634975B2 (en) 2019-08-28 2023-04-25 Liquid Rod Lift, LLC Method and apparatus for producing well fluids

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1532231A (en) * 1923-11-26 1925-04-07 William G Corey Rodless deep-well pump
US1616774A (en) * 1924-09-20 1927-02-08 James A Warren Pumping mechanism and system
US2014613A (en) * 1934-12-12 1935-09-17 John J Ceverha Apparatus for raising fluids
US2174114A (en) * 1935-08-12 1939-09-26 Will August Deep well pump
US2376538A (en) * 1944-11-14 1945-05-22 Rodney J Hardey Hydraulic pump for liquids
US2490118A (en) * 1945-07-23 1949-12-06 Hygroequipments Ltd Pump
US3135210A (en) * 1961-04-27 1964-06-02 Charles L English Hydraulic pressure boosting device
US3148629A (en) * 1963-05-09 1964-09-15 Wayne N Sutliff Deep well pump for viscous oil
US4219311A (en) * 1974-08-29 1980-08-26 Sargent Industries, Inc. Pump assembly
US4421463A (en) * 1981-07-08 1983-12-20 Jeff D. Morgan Downhole pump
US4551075A (en) * 1981-11-02 1985-11-05 Otis Eng Co Well pump
US5118517A (en) * 1991-07-15 1992-06-02 F&Mp Research And Development Laboratories, Inc. Method of manufacturing powdered fruit juice using dextran
US5188517A (en) * 1992-02-05 1993-02-23 Koster Charles H Pumping system
US5337565A (en) * 1990-06-29 1994-08-16 Pi-Patent Gesellschaft Mit Beschraenkter Haftung (Gmbh) Device for driving a tool movable to and fro in axial direction
US6193476B1 (en) * 1999-09-13 2001-02-27 Gerald T. Sweeney 1½ Piston force pump

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1581582A (en) * 1924-06-30 1926-04-20 Charles E H Lloyd Hydraulic pump and system
US1616744A (en) 1924-12-03 1927-02-08 Standardtrump Brothers Machine Circular-knitting machine
US1907948A (en) * 1929-07-17 1933-05-09 Arthur G Gage Single valve well pump
US1981288A (en) * 1932-04-19 1934-11-20 Alfred Barstow Well pumping apparatus
US2342855A (en) * 1941-04-18 1944-02-29 Wilson E Green Gas operated pump for oil wells and the like
GB631521A (en) * 1945-11-05 1949-11-04 Richard Harland Dickinson Improvements in or relating to pumps
US2817298A (en) * 1955-07-11 1957-12-24 Axelson Mfg Company Well pump
US2949857A (en) * 1956-07-19 1960-08-23 Kobe Inc Fluid operated pump with separate engine valve
NL223482A (fr) * 1956-12-31
US2942552A (en) * 1957-08-05 1960-06-28 Newell E Wayt Well pumping apparatus
CA1041371A (fr) * 1975-10-15 1978-10-31 Arthur P. Bentley Pompe a tube unique fonctionnant par ondes sonores
US4026661A (en) 1976-01-29 1977-05-31 Roeder George K Hydraulically operated sucker rod pumping system
US4473340A (en) * 1981-10-08 1984-09-25 Outboard Marine Corporation Combined fluid pressure actuated fuel and oil pump
US4462763A (en) * 1982-03-24 1984-07-31 Macleod Donald I Hydraulic pump jack
ZA836613B (en) * 1982-09-09 1984-04-25 Donald Ian Guy Macleod Hydraulically actuated bore and well pump
FR2545886A1 (fr) * 1983-05-13 1984-11-16 Mermet Ernest Pompe de puits comprenant une tige de piston destinee a etre actionnee par une eolienne
SE510191C2 (sv) * 1994-06-06 1999-04-26 Asea Brown Boveri Tryckförstärkare
US5785500A (en) * 1996-05-02 1998-07-28 Quality Tubing, Inc. Well pump having a plunger in contact with well and pump fluid
US8454325B2 (en) 2007-01-30 2013-06-04 Richard F. McNichol Coaxial pumping apparatus with internal power fluid column
US20050169776A1 (en) 2004-01-29 2005-08-04 Mcnichol Richard F. Hydraulic gravity ram pump
GB2413600A (en) 2004-04-30 2005-11-02 Leslie Eric Jordan Hydraulically powered borehole pump
US20060000616A1 (en) 2004-07-02 2006-01-05 Joe Crawford Hydraulic downhole oil recovery system

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1532231A (en) * 1923-11-26 1925-04-07 William G Corey Rodless deep-well pump
US1616774A (en) * 1924-09-20 1927-02-08 James A Warren Pumping mechanism and system
US2014613A (en) * 1934-12-12 1935-09-17 John J Ceverha Apparatus for raising fluids
US2174114A (en) * 1935-08-12 1939-09-26 Will August Deep well pump
US2376538A (en) * 1944-11-14 1945-05-22 Rodney J Hardey Hydraulic pump for liquids
US2490118A (en) * 1945-07-23 1949-12-06 Hygroequipments Ltd Pump
US3135210A (en) * 1961-04-27 1964-06-02 Charles L English Hydraulic pressure boosting device
US3148629A (en) * 1963-05-09 1964-09-15 Wayne N Sutliff Deep well pump for viscous oil
US4219311A (en) * 1974-08-29 1980-08-26 Sargent Industries, Inc. Pump assembly
US4421463A (en) * 1981-07-08 1983-12-20 Jeff D. Morgan Downhole pump
US4551075A (en) * 1981-11-02 1985-11-05 Otis Eng Co Well pump
US5337565A (en) * 1990-06-29 1994-08-16 Pi-Patent Gesellschaft Mit Beschraenkter Haftung (Gmbh) Device for driving a tool movable to and fro in axial direction
US5118517A (en) * 1991-07-15 1992-06-02 F&Mp Research And Development Laboratories, Inc. Method of manufacturing powdered fruit juice using dextran
US5188517A (en) * 1992-02-05 1993-02-23 Koster Charles H Pumping system
US6193476B1 (en) * 1999-09-13 2001-02-27 Gerald T. Sweeney 1½ Piston force pump

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8535017B2 (en) 2004-01-29 2013-09-17 Richard Frederick McNichol Hydraulic gravity ramp pump
US8932030B2 (en) 2004-01-29 2015-01-13 Mcnichol, Richard Frederick Hydraulic gravity ram pump
US9115710B2 (en) 2004-01-29 2015-08-25 Richard F. McNichol Coaxial pumping apparatus with internal power fluid column
US9261091B2 (en) 2007-01-30 2016-02-16 Richard F. McNichol Coaxial pumping apparatus with internal power fluid column
US8454325B2 (en) 2007-01-30 2013-06-04 Richard F. McNichol Coaxial pumping apparatus with internal power fluid column
US20080219869A1 (en) * 2007-01-30 2008-09-11 Norm Fisher Coaxial pumping apparatus with internal power fluid column
WO2008128483A2 (fr) 2007-04-18 2008-10-30 Pavel Simka Système de pompe à chaleur et procédé pour pomper des liquides
WO2008128483A3 (fr) * 2007-04-18 2012-03-15 Pavel Simka Système de pompe à chaleur et procédé pour pomper des liquides
CZ307561B6 (cs) * 2007-04-18 2018-12-05 imka Pavel Ĺ Topný systém s gravitačním čerpacím zařízením a způsob gravitačního podtlakového čerpání tekutin
US20130327033A1 (en) * 2008-04-09 2013-12-12 Sustainx, Inc. Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange
EP2435701A4 (fr) * 2009-05-27 2017-05-24 Impact Technology Systems AS Appareil utilisant des transitoires de pression pour transporter des fluides
US10100823B2 (en) 2009-05-27 2018-10-16 Impact Technology Systems As Apparatus employing pressure transients for transporting fluids
DK179347B1 (en) * 2009-05-27 2018-05-14 Impact Tech Systems As Apparatus employing pressure transients for transporting fluids
US9903170B2 (en) 2010-06-17 2018-02-27 Impact Technology Systems As Method employing pressure transients in hydrocarbon recovery operations
US9803442B2 (en) 2010-06-17 2017-10-31 Impact Technology Systems As Method employing pressure transients in hydrocarbon recovery operations
US10006448B2 (en) * 2010-10-08 2018-06-26 Thermofluidics Limited Hydraulic ram liquid suction pump apparatus and methods
US20130302182A1 (en) * 2010-10-08 2013-11-14 Thomas C.B. Smith Pumping apparatus and methods
US9863225B2 (en) 2011-12-19 2018-01-09 Impact Technology Systems As Method and system for impact pressure generation
US10107081B2 (en) 2011-12-19 2018-10-23 Impact Technology Systems As Method for recovery of hydrocarbon fluid
US20180373453A1 (en) * 2017-06-27 2018-12-27 Western Digital Technologies, Inc. Methods of using embedded disconnected circuits in magnetic storage media of data storage devices
US10777225B2 (en) * 2017-06-27 2020-09-15 Western Digital Technologies, Inc. Methods of using embedded disconnected circuits in magnetic storage media of data storage devices
WO2019018565A1 (fr) * 2017-07-18 2019-01-24 Daniel E. Altman Système de pompage hydraulique
US11608824B2 (en) 2017-07-18 2023-03-21 Richard Frederick McNichol Hydraulic pumping system
CN113623197A (zh) * 2021-09-06 2021-11-09 谢雄伟 一种变频水泵

Also Published As

Publication number Publication date
JP2007519849A (ja) 2007-07-19
US20130323086A1 (en) 2013-12-05
EP1714031A1 (fr) 2006-10-25
EP1714031B1 (fr) 2009-12-09
WO2005073555A1 (fr) 2005-08-11
AU2011201523A1 (en) 2011-04-28
AU2005207990A1 (en) 2005-08-11
RU2362050C2 (ru) 2009-07-20
RU2006130682A (ru) 2008-03-10
DK1714031T3 (da) 2010-04-06
US7967578B2 (en) 2011-06-28
US8932030B2 (en) 2015-01-13
CA2554856A1 (fr) 2005-08-11
US20150125315A1 (en) 2015-05-07
CA2554856C (fr) 2009-12-15
US8535017B2 (en) 2013-09-17
DE602005018169D1 (de) 2010-01-21
ATE451551T1 (de) 2009-12-15
EP1714031A4 (fr) 2007-04-18
AU2011201523B2 (en) 2011-12-08
US20070172364A1 (en) 2007-07-26
AU2005207990B2 (en) 2011-04-21
US20110255997A1 (en) 2011-10-20
MXPA06008420A (es) 2006-12-14
HK1098186A1 (en) 2007-07-13

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STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION