Inventor · disambiguated record
Michael T. Landrum
Also filed as: LANDRUM MICHAEL · LANDRUM MICHAEL T · LANDRUM MICHAEL TERRANCE
14 granted patents·13 pending applications·169 citations·filing 1980–2016
92Inventor score
Top patents by PatentIndex Score
27 records- 0190US9719351B2Rotary vane motor with split vaneSPX CORP·Filed 2013·Granted Aug 1, 2017·7 cites·22 claims
- 0283US9193046B2Auto cycle pump and method of operationLANDRUM MICHAEL T·Filed 2012·Granted Nov 24, 2015·7 cites·19 claims
- 0380US7316177B2Hydraulic hand pump with locking deviceSPX CORP·Filed 2006·Granted Jan 8, 2008·7 cites·20 claims
- 0479US5617771AAuto cycle pumpPOWER TEAM DIV OF SPX CORP·Filed 1996·Granted Apr 8, 1997·40 cites·15 claims
- 0571US9206688B2High torque rotary motor with multi-lobed ring with inlet and outletSPX CORP·Filed 2013·Granted Dec 8, 2015·3 cites·38 claims
- 0669US8192173B2Pressure compensated and constant horsepower pumpLANDRUM MICHAEL·Filed 2007·Granted Jun 5, 2012·4 cites·14 claims
- 0769US4471805AControl valveOWATONNA TOOL CO·Filed 1981·Granted Sep 18, 1984·25 cites·11 claims
- 0866US5613516ACombination hydraulic pressure regulator and pressure switchPOWER TEAM DIV OF SPX CORP·Filed 1995·Granted Mar 25, 1997·26 cites·20 claims
- 0963US7950910B2Piston cartridgeSPX CORP·Filed 2007·Granted May 31, 2011·1 cites·20 claims
- 1059US5676169ACounterbalance valvePOWER TEAM DIV OF SPX CORP·Filed 1996·Granted Oct 14, 1997·21 cites·9 claims
- 1159US4352644AAir-hydraulic pumpOWATONNA TOOL CO·Filed 1980·Granted Oct 5, 1982·19 cites·2 claims
- 1254USD520522SHand pumpSPX CORP·Filed 2004·Granted May 9, 2006·9 cites·1 claims
- 1354US2017184209A1Hydraulic connection having a flexible port mouth and method for connecting sameSPX FLOW INC·Filed 2016·Application pending·0 cites
- 1454US2013284408A1Reservoir Cooling Apparaturs and MethodMILLER DOUGLAS P·Filed 2012·Application pending·0 cites
- 1553US2017184135A1Hydraulic connection having a flexible port mouth and method for connecting sameSPX FLOW INC·Filed 2016·Application pending·0 cites
- 1652US2014373928A1Pressure Balanced Hydraulic Device And MethodSPX CORP·Filed 2014·Application pending·0 cites
- 1749US2016099625A1Electric Motor With Radially Mounted MagnetsSPX CORP·Filed 2014·Application pending·0 cites
- 1848US2007253846A1Hydraulic hand pump with pivoting linksSPX CORP·Filed 2006·Application pending·0 cites
- 1947US2015013777A1Multi-part concentric manifold and method of making the manifoldSPX CORP·Filed 2013·Application pending·0 cites
- 2044US9470324B2Directional valve and method of operationSPX CORP·Filed 2013·Granted Oct 18, 2016·0 cites·13 claims
- 2142US9945494B2Pneumatic directional valve and method of operationSPX CORP·Filed 2013·Granted Apr 17, 2018·0 cites·19 claims
- 2241US2006127254A1Hydraulic hand pumpBAKKER TRAVIS·Filed 2005·Application pending·0 cites
- 2341US2016365772A1Hydraulic pump with electric generatorSPX FLOW INC·Filed 2016·Application pending·0 cites
- 2441US2014102293A1Self aligning cylinder piston and rod bearing and method of manufacture thereofSPX CORP·Filed 2012·Application pending·0 cites
- 2539US2011225962A1Variable Speed Hydraulic Pump Apparatus and MethodSPX CORP·Filed 2010·Application pending·0 cites
- 2637US2015345685A1Multi-part, manifold and method of making the manifoldSPX FLOW INC·Filed 2015·Application pending·0 cites
- 2736US2015252932A1Multi-part, tapered, concentric manifold and method of making the manifoldSPX FLOW INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →