Inventor · disambiguated record
Mark D. Johnson
Also filed as: JOHNSON MARK · JOHNSON MARK A · JOHNSON MARK D · JOHNSON MARK DAVID
24 granted patents·3 pending applications·520 citations·filing 1981–2022
96Inventor score
Files withJOHNSON MARK D4MASTER LOCK CO4HEWLETT PACKARD DEVELOPMENT CO3AVAGO TECHNOLOGIES GENERAL IP2BRIGHAM & WOMENS HOSPITAL2
Top patents by PatentIndex Score
27 records- 0197US11118658B1Device and method with multiple torque and speed rangesSIEMENS INDUSTRY INC·Filed 2020·Granted Sep 14, 2021·6 cites·16 claims
- 0291US4741176ABeverage coolerJOHNSON MARK D·Filed 1987·Granted May 3, 1988·95 cites·1 claims
- 0386US8402798B2Locking clampBROJANAC MICHAEL·Filed 2008·Granted Mar 26, 2013·19 cites·15 claims
- 0482US9988186B1Tool storage deviceJOHNSON MARK D·Filed 2016·Granted Jun 5, 2018·7 cites·13 claims
- 0580US7497705B2Lockout deviceMASTER LOCK CO·Filed 2007·Granted Mar 3, 2009·22 cites·21 claims
- 0679US7002820B2Semiconductor storage deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Feb 21, 2006·12 cites·34 claims
- 0779US4869844AHigh solids liquid alkaline cleanersPENNWALT CORP·Filed 1989·Granted Sep 26, 1989·25 cites·30 claims
- 0877US10344493B2Cleaning head for an in-floor pool cleaning systemBLUE SQUARE MFG LLC·Filed 2016·Granted Jul 9, 2019·2 cites·18 claims
- 0976US7197904B2Lockout deviceMASTER LOCK CO·Filed 2004·Granted Apr 3, 2007·18 cites·5 claims
- 1075US7313945B2Cantilevers for sensing fluid propertiesHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Jan 1, 2008·4 cites·30 claims
- 1174US9093772B2Lockout deviceJOHNSON MARK·Filed 2012·Granted Jul 28, 2015·4 cites·19 claims
- 1273US7752876B2Lockout deviceMASTER LOCK CO·Filed 2007·Granted Jul 13, 2010·14 cites·21 claims
- 1371US8459070B2Combination locks with improved code-changing featuresJOHNSON MARK D·Filed 2011·Granted Jun 11, 2013·6 cites·20 claims
- 1469US7359198B2System and method for inducing turbulence in fluid for dissipating thermal energy of electronic circuitryAVAGO TECHNOLOGIES GENERAL IP·Filed 2005·Granted Apr 15, 2008·5 cites·29 claims
- 1567US4396032ASafety underwater pressure regulatorPITTMAN PRODUCTS INC·Filed 1981·Granted Aug 2, 1983·23 cites·13 claims
- 1666US5304141AMethod and apparatus for inducing anesthesiaBRIGHAM & WOMENS HOSPITAL·Filed 1990·Granted Apr 19, 1994·140 cites·23 claims
- 1762USD648207SKeyhead coverMASTER LOCK CO·Filed 2011·Granted Nov 8, 2011·12 cites·1 claims
- 1860US7474537B2Circuit board with multiple layer interconnect and method of manufactureAVAGO TECHNOLOGIES GENERAL IP·Filed 2005·Granted Jan 6, 2009·2 cites·10 claims
- 1957US5232442AMethod and apparatus for inducing anesthesiaBRIGHAM & WOMENS HOSPITAL·Filed 1991·Granted Aug 3, 1993·86 cites·12 claims
- 2055US12449327B2Method and apparatus for lamp housing crack detectionAPPLIED MATERIALS INC·Filed 2022·Granted Oct 21, 2025·0 cites·20 claims
- 2154USD518093SPrinterHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Mar 28, 2006·9 cites·1 claims
- 2253US2022283183A1Diagnostic test for idiopathic normal pressure hydrocephalusUNIV MASSACHUSETTS·Filed 2020·Application pending·0 cites
- 2349US11268714B2System and method for controlling building fluid distributionSIEMENS INDUSTRY INC·Filed 2017·Granted Mar 8, 2022·0 cites·15 claims
- 2441US4824586AMetal working lubricantPENNWALT CORP·Filed 1987·Granted Apr 25, 1989·8 cites·8 claims
- 2541US2008180389A1Optical-based interconnect for integrated circuits and related system and methodKELLY MICHAEL·Filed 2007·Application pending·0 cites
- 2635USD841559SLift tool boxJOHNSON MARK D·Filed 2017·Granted Feb 26, 2019·1 cites·1 claims
- 2735US2003033746A1Live well cooling and aeration systemFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →