Inventor · disambiguated record
Volker Wittig
Also filed as: WITTIG VOLKER
5 granted patents·43 citations·filing 1995–2024
77Inventor score
Top patents by PatentIndex Score
5 records- 0155US12440952B2Hammer drill and method for deep drillingFRAUNHOFER GES FORSCHUNG·Filed 2024·Granted Oct 14, 2025·0 cites·18 claims
- 0255US5606139ASoil sample probe with retaining ring for holding core-catching structure within the probeKEJR ENGINEERING INC·Filed 1995·Granted Feb 25, 1997·21 cites·18 claims
- 0336US5635653AGround water sampling deviceKEJR ENGINEERING INC·Filed 1995·Granted Jun 3, 1997·13 cites·2 claims
- 0429US5553979APull cap for attachment to a probe rodKEJR ENGINEERING INC·Filed 1995·Granted Sep 10, 1996·6 cites·12 claims
- 0528US5612498AGround water sampling deviceKEJR ENGINEERING INC·Filed 1996·Granted Mar 18, 1997·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →