Inventor · disambiguated record
Ahmet Duman
Also filed as: DUMAN AHMET
6 granted patents·5 pending applications·14 citations·filing 2011–2022
74Inventor score
Files withHYDRIL USA DISTRIB LLC6HYDRIL USA MFG LLC3DIETZ DAVID ALBERT1DUMANLAR MEKATRONIK SANAYI VE TICARET LTD SIRKETI1
Top patents by PatentIndex Score
11 records- 0175US9016381B2Mudline managed pressure drilling and enhanced influx detectionDIETZ DAVID ALBERT·Filed 2011·Granted Apr 28, 2015·6 cites·10 claims
- 0272US9534458B2Hydraulic cushionHYDRIL USA DISTRIB LLC·Filed 2013·Granted Jan 3, 2017·4 cites·17 claims
- 0362USD1000353SCabin for vehiclesDUMANLAR MEKATRONIK SANAYI VE TICARET LTD SIRKETI·Filed 2022·Granted Oct 3, 2023·4 cites·1 claims
- 0460US2020116142A1Pump chamber position indicatorHYDRIL USA DISTRIB LLC·Filed 2019·Application pending·0 cites
- 0550US2017045044A1Pump chamber position indicatorHYDRIL USA DISTRIB LLC·Filed 2016·Application pending·0 cites
- 0643US2014262305A1Control valve timingHYDRIL USA MFG LLC·Filed 2013·Application pending·0 cites
- 0739US9175528B2Decompression to fill pressureHYDRIL USA DISTRIB LLC·Filed 2013·Granted Nov 3, 2015·0 cites·13 claims
- 0836US10519732B2Mud pump annular friction pressure control system and methodHYDRIL USA DISTRIB LLC·Filed 2017·Granted Dec 31, 2019·0 cites·20 claims
- 0936US10400421B2Systems and methods for backflushing a riser transfer pipeHYDRIL USA DISTRIB LLC·Filed 2017·Granted Sep 3, 2019·0 cites·20 claims
- 1036US2014262505A1Automatic pump chamber control adjustmentHYDRIL USA MFG LLC·Filed 2013·Application pending·0 cites
- 1133US2015240578A1Modular mud lift pump assemblyHYDRIL USA MFG LLC·Filed 2014·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Ahmet Duman 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 →