Inventor · disambiguated record
Derk Lucas Klompsma
Also filed as: KLOMPSMA DERK L · KLOMPSMA DERK LUCAS
3 granted patents·2 pending applications·4 citations·filing 2005–2014
55Inventor score
Top patents by PatentIndex Score
5 records- 0156US9771775B2Valve for a hydrocarbon well, hydrocarbon well provided with such valve and use of such valveSHELL OIL CO·Filed 2012·Granted Sep 26, 2017·2 cites·33 claims
- 0254US9638001B2Method for producing hydrocarbon gas from a wellbore and valve assemblySHELL OIL CO·Filed 2013·Granted May 2, 2017·2 cites·15 claims
- 0345US2016032912A1Device for pumping fluid from a wellboreSHELL OIL CO·Filed 2014·Application pending·0 cites
- 0431US2007257441A1Sealing of a Wellbore Device in a Tubular ElementBAAIJENS MATHEUS N·Filed 2005·Application pending·0 cites
- 0529US9435174B2System and method for injecting a treatment fluid into a wellbore and a treatment fluid injection valveKLOMPSMA DERK LUCAS·Filed 2012·Granted Sep 6, 2016·0 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when Derk Lucas Klompsma files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →