Inventor · disambiguated record
Robert James Zimmerman
Also filed as: ZIMMERMAN ROBERT J · ZIMMERMAN ROBERT JAMES
1 granted patent·3 pending applications·19 citations·filing 1998–2016
39Inventor score
Top patents by PatentIndex Score
4 records- 0145US5988297AVariable eccentric vibratory hammerHYDRAULIC POWER SYSTEMS INC·Filed 1998·Granted Nov 23, 1999·19 cites·4 claims
- 0237US2015090469A1Vibratory Hammer with Passive Lubrication System for BearingsHYDRAULIC POWER SYSTEMS INC·Filed 2014·Application pending·0 cites
- 0336US2013199813A1Hydraulic HammerGLOBAL PILING SOLUTIONS L L C·Filed 2013·Application pending·0 cites
- 0435US2017030043A1Hydraulic HammerGLOBAL PILING SOLUTIONS L L C·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →