Inventor · disambiguated record
Robert Ziegler
Also filed as: ZIEGLER ROBERT · ZIEGLER ROBERT D
3 granted patents·89 citations·filing 1976–2020
66Inventor score
Top patents by PatentIndex Score
3 records- 0188US4026508AHanger bracketLITTON BUSINESS SYSTEMS INC·Filed 1976·Granted May 31, 1977·87 cites·5 claims
- 0279US11629559B2Apparatus for connecting drilling components between rig and riserWEATHERFORD TECH HOLDINGS LLC·Filed 2020·Granted Apr 18, 2023·2 cites·26 claims
- 0334US11268332B2Self-aligning, multi-stab connections for managed pressure drilling between rig and riser componentsWEATHERFORD TECH HOLDINGS LLC·Filed 2020·Granted Mar 8, 2022·0 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →