Inventor · disambiguated record
Daniel Louis Havelka
Also filed as: HAVELKA DANIEL L · HAVELKA DANIEL LOUIS
4 granted patents·62 citations·filing 2007–2018
70Inventor score
Top patents by PatentIndex Score
4 records- 0189US7686087B2Rapid makeup drilling riserVETCO GRAY INC·Filed 2007·Granted Mar 30, 2010·55 cites·22 claims
- 0285US9816538B1Tensioner cylinder with internal gas bladder in high pressure chamberVETCO GRAY INC·Filed 2016·Granted Nov 14, 2017·7 cites·20 claims
- 0347US10174566B2Inverted pull-up riser tensionerVETCO GRAY INC·Filed 2017·Granted Jan 8, 2019·0 cites·20 claims
- 0443US10648566B2Wiper seal system and methodVETCO GRAY LLC·Filed 2018·Granted May 12, 2020·0 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Daniel Louis Havelka 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 →