Inventor · disambiguated record
Darrin N. Towers
Also filed as: TOWERS DARRIN N · TOWERS DARRIN NATHANIEL
18 granted patents·1 pending application·999 citations·filing 1996–2023
95Inventor score
Files withHALLIBURTON ENERGY SERV INC10HALLIBURTON ENERGY SERVICES INC6BECK HAROLD KENT1HALLBURTON ENERGY SERVICES INC1
Top patents by PatentIndex Score
19 records- 0198US7363967B2Downhole tool with navigation systemHALLIBURTON ENERGY SERV INC·Filed 2005·Granted Apr 29, 2008·188 cites·2 claims
- 0298US7322416B2Methods of servicing a well bore using self-activating downhole toolHALLIBURTON ENERGY SERV INC·Filed 2005·Granted Jan 29, 2008·205 cites·11 claims
- 0396US6722427B2Wear-resistant, variable diameter expansion tool and expansion methodsHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Apr 20, 2004·180 cites·86 claims
- 0493US6367547B1Downhole separator for use in a subterranean well and methodHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Apr 9, 2002·202 cites·18 claims
- 0581US6808024B2Downhole seal assembly and method for use of sameHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Oct 26, 2004·63 cites·37 claims
- 0675US11788378B2Locally powered electric ball valve mechanismHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Oct 17, 2023·2 cites·20 claims
- 0772US6279651B1Tool for managing fluid flow in a wellHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Aug 28, 2001·66 cites·17 claims
- 0861US5894890ANormally closed retainer valve with fail-safe pump through capabilityHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Apr 20, 1999·31 cites·14 claims
- 0960US10961817B2Electrohydraulic quick union for subsea landing stringHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted Mar 30, 2021·1 cites·20 claims
- 1055US8818776B2System and method for downhole tool system developmentBECK HAROLD KENT·Filed 2005·Granted Aug 26, 2014·2 cites·24 claims
- 1154US11965394B1Subsea test tree fast ball actuation with low pressure pump through capabilityHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Apr 23, 2024·0 cites·21 claims
- 1253US12055003B2Advanced loading method for ball rotation cutting and method of use thereforHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Aug 6, 2024·0 cites·21 claims
- 1353US5782304ANormally closed retainer valve with fail-safe pump through capabilityFiled 1996·Granted Jul 21, 1998·23 cites·15 claims
- 1448USRE42733EWear-resistant, variable diameter expansion tool and expansion methodsHALLIBURTON ENERGY SERV INC·Filed 2006·Granted Sep 27, 2011·1 cites·111 claims
- 1541US10794138B2Modular manifold system for an electrohydraulic control systemHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Oct 6, 2020·0 cites·19 claims
- 1640US5884703ANormally closed retainer valve with fail-safe pump through capabilityHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Mar 23, 1999·11 cites·17 claims
- 1740US5884708ANormally closed retainer valve with fail-safe pump through capabilityHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Mar 23, 1999·12 cites·25 claims
- 1839US5884707ANormally closed retainer valve with fail-safe pump through capabilityHALLBURTON ENERGY SERVICES INC·Filed 1998·Granted Mar 23, 1999·12 cites·14 claims
- 1937US2018010444A1Downhole fluid flow direction sensorHALLIBURTON ENERGY SERVICES INC·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Darrin N. Towers 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 →