Inventor · disambiguated record
Leonard R. Lefkowitz
Also filed as: KROHN W HENRIK · LEFKOWITZ LEONARD R
12 granted patents·2 pending applications·766 citations·filing 1976–2012
94Inventor score
Top patents by PatentIndex Score
14 records- 0197US4181514AStitch knitted filters for high temperature fluids and method of making themHUYCK CORP·Filed 1978·Granted Jan 1, 1980·164 cites·30 claims
- 0294US4740409ANonwoven fabric and method of manufactureLEFKOWITZ LEONARD R·Filed 1987·Granted Apr 26, 1988·88 cites·15 claims
- 0393US5367199ASliding contact control switch padTRIAX TECHNOLOGIES·Filed 1992·Granted Nov 22, 1994·142 cites·33 claims
- 0492US5077116AForming fabric having a nonwoven surface coatingLEFKOWITZ LEONARD R·Filed 1990·Granted Dec 31, 1991·99 cites·9 claims
- 0592US4070519AHigh temperature filter fabricsHUYCK CORP·Filed 1976·Granted Jan 24, 1978·63 cites·14 claims
- 0689US4981745AForming fabric for papermakingLEFKOWITZ LEONARD R·Filed 1989·Granted Jan 1, 1991·46 cites·3 claims
- 0783US5700356AAir permeable belt for dewatering web in press nipFiled 1996·Granted Dec 23, 1997·38 cites·15 claims
- 0876US4524348AControl interfaceLEFKOWITZ LEONARD R·Filed 1983·Granted Jun 18, 1985·50 cites·11 claims
- 0972US4874407ARegenerable filterLEFKOWITZ LEONARD R·Filed 1989·Granted Oct 17, 1989·34 cites·16 claims
- 1059US4473384ASeparatorLEFKOWITZ LEONARD R·Filed 1983·Granted Sep 25, 1984·18 cites·7 claims
- 1156US4113535AHigh temperature filter fabricsHUYCK CORP·Filed 1977·Granted Sep 12, 1978·12 cites·11 claims
- 1252US5169570AJointing of fabric endsSCAPA GROUP PLC·Filed 1990·Granted Dec 8, 1992·12 cites·5 claims
- 1345US2008176690A1Anti-rewet transfer beltLEFKOWITZ LEONARD R·Filed 2007·Application pending·0 cites
- 1442US2013312313A1Insect trap with encapsulation systemLEFKOWITZ LEONARD R·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →