Inventor · disambiguated record
David Bruno Parzynski, Jr.
Also filed as: PARZYNSKI DAVID · PARZYNSKI DAVID B · PARZYNSKI JR DAVID B · PARZYNSKI JR DAVID BRUNO
39 granted patents·9 pending applications·117 citations·filing 2016–2024
97Inventor score
Top patents by PatentIndex Score
48 records- 0197US11459736B2Cutting edgeCATERPILLAR INC·Filed 2020·Granted Oct 4, 2022·5 cites·18 claims
- 0296US10590632B2System for securing bits against rotationCATERPILLAR INC·Filed 2018·Granted Mar 17, 2020·10 cites·10 claims
- 0394US11149416B2System for securing bits against rotationCATERPILLAR INC·Filed 2020·Granted Oct 19, 2021·3 cites·7 claims
- 0492USD938999SCutting tool holderCATERPILLAR INC·Filed 2021·Granted Dec 21, 2021·12 cites·1 claims
- 0591US10851523B2Retention system for motor grader bitsCATERPILLAR INC·Filed 2018·Granted Dec 1, 2020·6 cites·17 claims
- 0689USD1040868SRetention componentCATERPILLAR INC·Filed 2022·Granted Sep 3, 2024·12 cites·1 claims
- 0789USD920401SCutting toolCATERPILLAR INC·Filed 2018·Granted May 25, 2021·22 cites·1 claims
- 0887US10889966B2Drafted tool bit and blade assemblyCATERPILLAR INC·Filed 2018·Granted Jan 12, 2021·4 cites·19 claims
- 0986US10822770B2Adapter board with pry pointsCATERPILLAR INC·Filed 2018·Granted Nov 3, 2020·5 cites·17 claims
- 1084US10184226B2Serrated cutting edge with ceramic insertCATERPILLAR INC·Filed 2016·Granted Jan 22, 2019·6 cites·20 claims
- 1183USD963718SCutting toolCATERPILLAR INC·Filed 2021·Granted Sep 13, 2022·6 cites·1 claims
- 1281US10125471B2Scarifier board for motor gradersCATERPILLAR INC·Filed 2016·Granted Nov 13, 2018·4 cites·20 claims
- 1378USD907072SBit for a ground engaging machine implementCATERPILLAR INC·Filed 2020·Granted Jan 5, 2021·4 cites·1 claims
- 1477US12486638B2Protected spring clip for retaining bitsCATERPILLAR INC·Filed 2022·Granted Dec 2, 2025·0 cites·14 claims
- 1576US12467226B2Adapter board having a tool bit attachment portionCATERPILLAR INC·Filed 2022·Granted Nov 11, 2025·0 cites·14 claims
- 1676US11885098B2Serrated blade assembly using differently configured componentsCATERPILLAR INC·Filed 2022·Granted Jan 30, 2024·0 cites·12 claims
- 1776US11746506B2System for securing bits against rotationCATERPILLAR INC·Filed 2021·Granted Sep 5, 2023·0 cites·9 claims
- 1875US11098584B2Carbide cutter bit with ribbed sides and conical tipCATERPILLAR INC·Filed 2018·Granted Aug 24, 2021·2 cites·14 claims
- 1974US11401685B2Serrated blade assembly using differently configured componentsCATERPILLAR INC·Filed 2018·Granted Aug 2, 2022·2 cites·3 claims
- 2074US10914050B2Adapter board with splined bushingCATERPILLAR INC·Filed 2018·Granted Feb 9, 2021·2 cites·5 claims
- 2173US12404660B2Dispersible wear indicatorCATERPILLAR INC·Filed 2022·Granted Sep 2, 2025·0 cites·21 claims
- 2271US11746507B2Carbide cutter bit with ribbed sides and conical tipCATERPILLAR INC·Filed 2021·Granted Sep 5, 2023·0 cites·2 claims
- 2370US11619031B2Retention system for motor grader bitsCATERPILLAR INC·Filed 2020·Granted Apr 4, 2023·0 cites·20 claims
- 2470USD958199SBit for a ground engaging machine implementCATERPILLAR INC·Filed 2021·Granted Jul 19, 2022·2 cites·1 claims
- 2569US12460392B2Front access for bit retentionCATERPILLAR INC·Filed 2022·Granted Nov 4, 2025·0 cites·20 claims
- 2669US11788251B2Adapter board bolted joint surfaceCATERPILLAR INC·Filed 2020·Granted Oct 17, 2023·0 cites·20 claims
- 2769USD941887SBit for a ground engaging machine implementCATERPILLAR INC·Filed 2021·Granted Jan 25, 2022·2 cites·1 claims
- 2868US11926989B2Adapter board with splined bushingCATERPILLAR INC·Filed 2020·Granted Mar 12, 2024·0 cites·20 claims
- 2967USD924944SBit for a ground engaging machine implementCATERPILLAR INC·Filed 2020·Granted Jul 13, 2021·2 cites·1 claims
- 3067US2022112683A1Cutting edge assembly for a work tool associated with a machineCATERPILLAR INC·Filed 2021·Application pending·0 cites
- 3166US10889959B2Adapter board bolted joint surfaceCATERPILLAR INC·Filed 2018·Granted Jan 12, 2021·1 cites·8 claims
- 3263US11732445B2Retention system for attaching tool bits to a blade assemblyCATERPILLAR INC·Filed 2018·Granted Aug 22, 2023·1 cites·14 claims
- 3362US2024011257A1Tip and adapter coupling systemCATERPILLAR INC·Filed 2023·Application pending·0 cites
- 3460US12398531B2Washout protection for a bitCATERPILLAR INC·Filed 2022·Granted Aug 26, 2025·0 cites·20 claims
- 3560US2025389100A1Durable cutting edges with variable density wear protectorCATERPILLAR INC·Filed 2024·Application pending·0 cites
- 3660US2025389101A1Durable cutting edges with wear resistant wear indicatorCATERPILLAR INC·Filed 2024·Application pending·0 cites
- 3760US2025389099A1Durable cutting edges with edge protectionCATERPILLAR INC·Filed 2024·Application pending·0 cites
- 3859USD890816SBit for a ground engaging machine implementCATERPILLAR INC·Filed 2018·Granted Jul 21, 2020·4 cites·1 claims
- 3959US2024384653A1Non-rotating bit for cutting toolCATERPILLAR PAVING PRODUCTS INC·Filed 2023·Application pending·0 cites
- 4058US2024383051A1Non-rotating bit for cutting toolCATERPILLAR PAVING PRODUCTS INC·Filed 2023·Application pending·0 cites
- 4153US11236485B2Cutting edge assembly for a work tool associated with a machineCATERPILLAR INC·Filed 2019·Granted Feb 1, 2022·0 cites·20 claims
- 4247US11473273B2Tool bit having a cylindrical profile and blade assemblyCATERPILLAR INC·Filed 2018·Granted Oct 18, 2022·0 cites·18 claims
- 4346USD976966SBit for a ground engaging machine implementCATERPILLAR INC·Filed 2022·Granted Jan 31, 2023·0 cites·1 claims
- 4446US11512456B2Arcuate bit surface and blade assemblyCATERPILLAR INC·Filed 2018·Granted Nov 29, 2022·0 cites·19 claims
- 4539US2020141094A1Rotatable cutting tool assembly having a spring clipCATERPILLAR INC·Filed 2018·Application pending·0 cites
- 4637US2021071387A1Cutting component with fastening portionCATERPILLAR INC·Filed 2019·Application pending·0 cites
- 4731USD1107761SCutting edge bit for a motor graderCATERPILLAR INC·Filed 2024·Granted Dec 30, 2025·0 cites·1 claims
- 4831USD1107078SCutting edge bit for a motor graderCATERPILLAR INC·Filed 2024·Granted Dec 23, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →