Inventor · disambiguated record
Don Channing Gramlich
Also filed as: GRAMLICH DON · GRAMLICH DON C · GRAMLICH DON CHANNING
5 granted patents·2 pending applications·15 citations·filing 2008–2025
74Inventor score
Top patents by PatentIndex Score
7 records- 0193US12287041B1Slab gate valves and methods of retrofittingBESTWAY OILFIELD INC·Filed 2024·Granted Apr 29, 2025·5 cites·12 claims
- 0280US10197077B2Precise choke systems and methodsSRI ENERGY INC·Filed 2017·Granted Feb 5, 2019·4 cites·20 claims
- 0374US12398809B2Dynamic slab gate valvesBESTWAY OILFIELD INC·Filed 2024·Granted Aug 26, 2025·0 cites·26 claims
- 0473US2025207670A1Slab Gate Valves and Methods of RetrofittingBESTWAY OILFIELD INC·Filed 2025·Application pending·0 cites
- 0563US2025303426A1Sand Knockout for Fracking FluidsBESTWAY OILFIELD INC·Filed 2025·Application pending·0 cites
- 0656US9174503B2Environment activated automatic shut-off switch system and methodGRAMLICH DON·Filed 2011·Granted Nov 3, 2015·2 cites·16 claims
- 0743US9784057B2Mechanical bi-directional isolation valveLLOYD SAM S·Filed 2008·Granted Oct 10, 2017·4 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →