Inventor · disambiguated record
L. Jonathan Kramer
Also filed as: KRAMER L JONATHAN · MALTBY FREDERICK L
17 granted patents·440 citations·filing 1974–1999
95Inventor score
Top patents by PatentIndex Score
17 records- 0181US6062070AMethod and apparatus for the sonic measurement of sludge and clarity conditions during the treatment of waste waterDREXELBROOK CONTROLS·Filed 1996·Granted May 16, 2000·55 cites·25 claims
- 0279US5510779AError compensating instrument system with digital communicationsDREXELBROOK CONTROLS·Filed 1993·Granted Apr 23, 1996·58 cites·22 claims
- 0378US4208909AAdmittance sensing probe having multiple sensing elementsDREXELBROOK CONTROLS·Filed 1978·Granted Jun 24, 1980·26 cites·26 claims
- 0477US4568874ARF Admittance apparatus and method for monitoring the contents of a pipeDREXELBROOK CONTROLS·Filed 1983·Granted Feb 4, 1986·29 cites·11 claims
- 0576US4788488AContinuous condition sensing systemDREXELBROOK CONTROLS·Filed 1986·Granted Nov 29, 1988·32 cites·6 claims
- 0675US5760309AUltrasonic method for material monitoringDREXELBROOK ENG CO·Filed 1996·Granted Jun 2, 1998·36 cites·80 claims
- 0773US3993947AAdmittance measuring system for monitoring the condition of materialsDREXELBROOK CONTROLS·Filed 1974·Granted Nov 23, 1976·19 cites·28 claims
- 0872US5987994AUltrasonic method for material monitoringDREXELBROOK ENG CO·Filed 1998·Granted Nov 23, 1999·35 cites·42 claims
- 0966US6388431B1High efficiency power supply for a two-wire loop powered deviceAMETEK INC·Filed 1999·Granted May 14, 2002·22 cites·37 claims
- 1063US4799174AMultiple set point condition monitoring systemsDREXELBROOK CONTROLS·Filed 1987·Granted Jan 17, 1989·22 cites·24 claims
- 1162US5539670ACoating responsive material condition monitoring systemDREXELBROOK CONTROLS·Filed 1994·Granted Jul 23, 1996·22 cites·18 claims
- 1261US6212943B1Method and apparatus for the sonic measurement of sludge and clarity conditions during the treatment on waste waterAMETEK INC·Filed 1999·Granted Apr 10, 2001·23 cites·7 claims
- 1358US4363030AFail-safe instrument systemDREXELBROOK ENG CO·Filed 1979·Granted Dec 7, 1982·13 cites·30 claims
- 1452US5278513AContinuous condition sensing systemDREXELBROOK CONTROLS·Filed 1991·Granted Jan 11, 1994·13 cites·2 claims
- 1552US5045797AContinuous condition sensing system determining liquid level by admittance measurementDREXELBROOK CONTROLS·Filed 1990·Granted Sep 3, 1991·13 cites·15 claims
- 1645US4573040AFail-safe instrument systemDREXELBROOK ENG CO·Filed 1985·Granted Feb 25, 1986·13 cites·12 claims
- 1741US6215319B1High accuracy measuring systemFiled 1998·Granted Apr 10, 2001·9 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →