Inventor · disambiguated record
Leonard R. Nitzberg
Also filed as: NITZBERG LEONARD R
25 granted patents·742 citations·filing 1979–1991
97Inventor score
Files withNITZBERG LEONARD R10HELIX ENTERPRISES INC7PATENT DEV LTD3MANHARDT PAUL D2RICHARDS IND INC2
Top patents by PatentIndex Score
25 records- 0198US4566707AWheel chairNITZBERG LEONARD R·Filed 1984·Granted Jan 28, 1986·259 cites·17 claims
- 0285US4432425AWheel chairNITZBERG LEONARD R·Filed 1981·Granted Feb 21, 1984·50 cites·15 claims
- 0384US4896688ABreakaway hose coupling deviceRICHARDS IND INC·Filed 1987·Granted Jan 30, 1990·48 cites·6 claims
- 0476US4674525ABreakaway hose coupling deviceRICHARDS IND INC·Filed 1985·Granted Jun 23, 1987·33 cites·4 claims
- 0574US4827960ADual fluid path breakaway swivel couplingHELIX ENTERPRISES INC·Filed 1988·Granted May 9, 1989·48 cites·27 claims
- 0672US4800913ABreakaway ball joint swivel couplingHELIX ENTERPRISES INC·Filed 1988·Granted Jan 31, 1989·43 cites·15 claims
- 0766US5285807ACoupling systemNITZBERG LEONARD R·Filed 1991·Granted Feb 15, 1994·31 cites·11 claims
- 0865US4827961AHigh velocity fluid swivel joint couplingHELIX ENTERPRISES INC·Filed 1988·Granted May 9, 1989·29 cites·12 claims
- 0964US4779638ABreakaway swivel couplingHELIX ENTERPRISES INC·Filed 1987·Granted Oct 25, 1988·20 cites·38 claims
- 1062US4791961AFluid joint swivel couplingHELIX ENTERPRISES INC·Filed 1988·Granted Dec 20, 1988·32 cites·22 claims
- 1157US4244624AMethod for reclaiming highwalls at mining sites with partially mined ore veinsRECLAMITE LTD·Filed 1979·Granted Jan 13, 1981·9 cites·17 claims
- 1255US5014732AFluid-joint breakaway swivel couplingNITZBERG LEONARD R·Filed 1990·Granted May 14, 1991·22 cites·22 claims
- 1353US5018546AFuel supply detachable couplingHELIX ENTERPRISES INC·Filed 1990·Granted May 28, 1991·29 cites·39 claims
- 1446US5078188AFlow rate limiting device for an automatic shut-off liquid dispensing nozzleHELIX ENTERPRISES INC·Filed 1990·Granted Jan 7, 1992·21 cites·8 claims
- 1545US4438699AMethod for remote positioning of explosive charges in mining voidsPATENT DEV LTD·Filed 1980·Granted Mar 27, 1984·9 cites·10 claims
- 1636US4986321AFuel dispensing nozzle having a flow rate limiterNITZBERG LEONARD R·Filed 1989·Granted Jan 22, 1991·6 cites·9 claims
- 1735US4844344AFlow rate limiting device for fuel dispensing nozzlesMANHARDT PAUL D·Filed 1988·Granted Jul 4, 1989·9 cites·12 claims
- 1835US4522448AMethod and apparatus for reclamation by reducing highwalls to gradable rubble at augered or longwalled mining sitesNITZBERG LEONARD R·Filed 1981·Granted Jun 11, 1985·5 cites·15 claims
- 1935US4390212AMachine for mining thin seamed hard material in-situ between adjacent auger holesNITZBERG LEONARD R·Filed 1980·Granted Jun 28, 1983·5 cites·13 claims
- 2035US4239721AProcess for the manufacture of patterned urea thermoplastic molding compound preforms to be used for the production of consistently patterned buttons with molded holesNITZBERG LEONARD R·Filed 1979·Granted Dec 16, 1980·4 cites·15 claims
- 2134US4951722AFuel dispensing nozzle having a flow rate limiterNITZBERG LEONARD R·Filed 1987·Granted Aug 28, 1990·12 cites·11 claims
- 2232US4205881AMachine and method for mining hard material in-situ between adjacent auger holesPATENT DEV LTD·Filed 1980·Granted Jun 3, 1980·4 cites·34 claims
- 2330US4917308AFlow rate limiting device for fuel dispensing nozzlesMANHARDT PAUL D·Filed 1989·Granted Apr 17, 1990·6 cites·8 claims
- 2430US4568126AMethod and machine for removing blockage and silt from abandoned auger holesPATENT DEV LTD·Filed 1980·Granted Feb 4, 1986·3 cites·11 claims
- 2529US4947905AFlow rate limiting device for an automatic shut-off liquid dispensing nozzleNITZBERG LEONARD R·Filed 1987·Granted Aug 14, 1990·5 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →