Inventor · disambiguated record
David S. Pearl, Ii
Also filed as: PEARL DAVID S · PEARL DAVID S T · PEARL II DAVID S
24 granted patents·4 pending applications·181 citations·filing 1980–2023
95Inventor score
Top patents by PatentIndex Score
28 records- 0194US10281067B2High pressure fittingUNIWELD PRODUCTS INC·Filed 2018·Granted May 7, 2019·8 cites·12 claims
- 0282US10226810B2Expanding tool and methodUNIWELD PRODUCTS INC·Filed 2017·Granted Mar 12, 2019·1 cites·9 claims
- 0381US9383046B2High pressure fittingUNIWELD PRODUCTS INC·Filed 2013·Granted Jul 5, 2016·4 cites·12 claims
- 0480US11779991B2Flaring tool and method of flaring a tube or the likeUNIWELD PRODUCTS INC·Filed 2019·Granted Oct 10, 2023·1 cites·9 claims
- 0580US9897237B2Method of coupling high pressure fittingUNIWELD PRODUCTS INC·Filed 2015·Granted Feb 20, 2018·2 cites·7 claims
- 0678US12151277B2Flaring tool and method of flaring a tube or the likeUNIWELD PRODUCTS INC·Filed 2023·Granted Nov 26, 2024·0 cites·5 claims
- 0776US10066769B2High pressure fittingUNIWELD PRODUCTS INC·Filed 2018·Granted Sep 4, 2018·1 cites·8 claims
- 0873US5333467AApparatus and method of preventing fluid escape from a conduitUNIWELD PRODUCTS INC·Filed 1993·Granted Aug 2, 1994·42 cites·7 claims
- 0962US11389856B2Expanding tool and methodUNIWELD PRODUCTS INC·Filed 2019·Granted Jul 19, 2022·0 cites·3 claims
- 1062US11268742B2Refrigerant charging tool and methodUNIWELD PRODUCTS INC·Filed 2017·Granted Mar 8, 2022·0 cites·2 claims
- 1162US4846670ACombustion devicePEARL II DAVID S·Filed 1987·Granted Jul 11, 1989·22 cites·12 claims
- 1262US4732559ACombustion deviceUNIWELD PRODUCTS INC·Filed 1986·Granted Mar 22, 1988·20 cites·13 claims
- 1358US4328948AFluid line coupling with self-adjusting valve depressor for refrigeration refrigerant testing and charging hosesUNIWELD PRODUCTS INC·Filed 1980·Granted May 11, 1982·23 cites·9 claims
- 1454US11548020B2Retaining bracket for applicator rod, fluid spray application system including the same, and method of applying a fluid to a target objectUNIWELD PRODUCTS INC·Filed 2021·Granted Jan 10, 2023·0 cites·2 claims
- 1553US6471114B2Multiple flame torch tip and methodUNIWELD PRODUCTS INC·Filed 2001·Granted Oct 29, 2002·4 cites·6 claims
- 1649US2021247013A1Tamper-Resistant Locking Device And MethodUNIWELD PRODUCTS INC·Filed 2021·Application pending·0 cites
- 1748US9803901B2Vaporizing refrigerant charging tool with visual inspection windowPEARL II DAVID S·Filed 2011·Granted Oct 31, 2017·0 cites·11 claims
- 1847US9987730B2Dual function adapter and methodUNIWELD PRODUCTS INC·Filed 2015·Granted Jun 5, 2018·0 cites·5 claims
- 1947US9328870B2Flow regulator for nitrogen purging, system and methodUNIWELD PRODUCTS INC·Filed 2014·Granted May 3, 2016·0 cites·15 claims
- 2047US5575639ACombustion device orifice cleaner and method of cleaningUNIWELD PRODUCTS INC·Filed 1994·Granted Nov 19, 1996·13 cites·6 claims
- 2147US2013256220A1In-situ method and apparatus for decontaminating sites contaminated by hydrocarbonsBARKER R KEITH·Filed 2012·Application pending·0 cites
- 2246US5470226ACombustion deviceUNIWELD PRODUCTS INC·Filed 1994·Granted Nov 28, 1995·13 cites·10 claims
- 2345US5533891ALocking mechanism for hand torch regulatorsUNIWELD PRODUCTS INC·Filed 1995·Granted Jul 9, 1996·12 cites·11 claims
- 2442US2020041060A1Tool And Method For Additive Introduction Into Closed SystemsUNIWELD PRODUCTS INC·Filed 2018·Application pending·0 cites
- 2539US6102062AQuick connect/disconnect valveUNIWELD PRODUCTS INC·Filed 1999·Granted Aug 15, 2000·8 cites·23 claims
- 2636US4661057ACombustion deviceUNIWELD PRODUCTS INC·Filed 1985·Granted Apr 28, 1987·5 cites·10 claims
- 2730US6467703B1Multiple flame torch tipUNIWELD PRODUCTS INC·Filed 1998·Granted Oct 22, 2002·2 cites·5 claims
- 2828US2001041318A1Multiple flame torch tip and methodKEVIN S LEMARK·Filed 1998·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →