Inventor · disambiguated record
Lonnie Carl Helms
Also filed as: HELMS LONNIE · HELMS LONNIE C · HELMS LONNIE CARL
79 granted patents·9 pending applications·568 citations·filing 1982–2025
98Inventor score
Files withHALLIBURTON ENERGY SERVICES INC80HALLIBURTON CO4TIPS TIMOTHY RATHER2ACOSTA FRANK V1HELMS LONNIE1
Top patents by PatentIndex Score
88 records- 0198US11280157B2Multi-stage cementing toolHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Mar 22, 2022·9 cites·20 claims
- 0298US4729432AActivation mechanism for differential fill floating equipmentHALLIBURTON CO·Filed 1987·Granted Mar 8, 1988·229 cites·9 claims
- 0396US8616276B2Remotely activated downhole apparatus and methodsTIPS TIMOTHY RATHER·Filed 2011·Granted Dec 31, 2013·49 cites·17 claims
- 0495US11261703B1Dual valves for reverse cementing operationsHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Mar 1, 2022·4 cites·20 claims
- 0594US11377920B2Anchoring downhole tool housing and body to inner diameter of tubing stringHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Jul 5, 2022·8 cites·19 claims
- 0694US11359454B2Buoyancy assist tool with annular cavity and pistonHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Jun 14, 2022·4 cites·20 claims
- 0794US10557329B2Systems and methods for controlling fluid flow in a wellbore using a switchable downhole crossover tool with rotatable sleeveHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Feb 11, 2020·13 cites·18 claims
- 0894US8646537B2Remotely activated downhole apparatus and methodsTIPS TIMOTHY RATHER·Filed 2011·Granted Feb 11, 2014·29 cites·19 claims
- 0993US11293252B2Fluid barriers for dissolvable plugsHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Apr 5, 2022·3 cites·20 claims
- 1093US11274519B1Reverse cementing toolHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Mar 15, 2022·5 cites·18 claims
- 1193US11118423B1Downhole tool for use in a boreholeHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Sep 14, 2021·4 cites·15 claims
- 1293US9291007B2Floating apparatus and method for fabricating the apparatusHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Mar 22, 2016·22 cites·17 claims
- 1392US10995583B1Buoyancy assist tool with debris barrierHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted May 4, 2021·9 cites·19 claims
- 1491US11293253B2Dual sub-surface release plug with bypass for small diameter linersHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Apr 5, 2022·8 cites·20 claims
- 1590US11492867B2Downhole apparatus with degradable plugsHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Nov 8, 2022·6 cites·13 claims
- 1688US11142994B2Buoyancy assist tool with annular cavity and pistonHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Oct 12, 2021·3 cites·20 claims
- 1788US11105166B2Buoyancy assist tool with floating pistonHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Aug 31, 2021·5 cites·15 claims
- 1888US10989013B1Buoyancy assist tool with center diaphragm debris barrierHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Apr 27, 2021·5 cites·20 claims
- 1988US9169705B2Pressure relief-assisted packerHALLIBURTON ENERGY SERVICES INC·Filed 2012·Granted Oct 27, 2015·10 cites·23 claims
- 2086US11566489B2Stage cementer packerHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Jan 31, 2023·2 cites·18 claims
- 2186US11230905B2Buoyancy assist tool with waffle debris barrierHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Jan 25, 2022·4 cites·20 claims
- 2285US11976533B1Externally threadless float equipment for cementing operationsHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted May 7, 2024·2 cites·19 claims
- 2384US11174701B2Wellbore remedial operations with no-heat liquid solderHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Nov 16, 2021·2 cites·20 claims
- 2484US10053945B2Breakaway obturator for downholeHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Aug 21, 2018·9 cites·13 claims
- 2583US11391119B2Differential fill valve with collet sleeveHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Jul 19, 2022·2 cites·20 claims
- 2683US11187072B2Fiber deployment system and communicationHALLIBURTON ENERGY SERVICES INC·Filed 2017·Granted Nov 30, 2021·3 cites·19 claims
- 2780US8708056B2External casing packer and method of performing cementing jobHELMS LONNIE·Filed 2012·Granted Apr 29, 2014·10 cites·20 claims
- 2879US11384613B1Wellbore dart with separable and expandable tool activatorHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Jul 12, 2022·1 cites·20 claims
- 2979US4825902AFlapper valve with protective hinge pin sleeveHALLIBURTON CO·Filed 1988·Granted May 2, 1989·57 cites·17 claims
- 3078US11293261B2Buoyancy assist toolHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted Apr 5, 2022·2 cites·18 claims
- 3178US11199071B2Full bore buoyancy assisted casing systemHALLIBURTON ENERGY SERVICES INC·Filed 2017·Granted Dec 14, 2021·3 cites·18 claims
- 3277US11346171B2Downhole apparatusHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted May 31, 2022·2 cites·17 claims
- 3376US2025270918A1Induction loop cementing progress detectionHALLIBURTON ENERGY SERVICES INC·Filed 2025·Application pending·0 cites
- 3472US12060763B2Cementing apparatus for reverse cementingHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Aug 13, 2024·0 cites·20 claims
- 3570US11661812B2Fluid barriers for dissolvable plugsHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted May 30, 2023·0 cites·20 claims
- 3670US11255155B2Downhole apparatus with removable plugsHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Feb 22, 2022·1 cites·15 claims
- 3769US12448559B1Puddle job with delayed setting of resin via a polymerization reaction with an activatorHALLIBURTON ENERGY SERVICES INC·Filed 2024·Granted Oct 21, 2025·0 cites·20 claims
- 3869US11072990B2Buoyancy assist tool with overlapping membranesHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Jul 27, 2021·1 cites·17 claims
- 3969US10378296B2Sealed downhole equipment and method for fabricating the equipmentHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Aug 13, 2019·3 cites·14 claims
- 4068US11767728B2Cementing plug formed with high pressure sealHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Sep 26, 2023·1 cites·20 claims
- 4166US11668183B2Fiber deployment system and communicationHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Jun 6, 2023·0 cites·19 claims
- 4265US12326079B2Induction loop cementing progress detectionHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Jun 10, 2025·0 cites·12 claims
- 4364US11746618B2Cementing apparatus for reverse cementingHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Sep 5, 2023·0 cites·11 claims
- 4463US11180987B2Conductive pathways within a wellbore using no-heat liquid solderHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Nov 23, 2021·0 cites·20 claims
- 4563US8991486B2Remotely activated down hole systems and methodsACOSTA FRANK V·Filed 2012·Granted Mar 31, 2015·3 cites·20 claims
- 4662US9476273B2Pressure activated down hole systems and methodsHALLIBURTON ENERGY SERVICES INC·Filed 2012·Granted Oct 25, 2016·2 cites·16 claims
- 4761US12270281B2Wiper dart having a bi-diameter wiper cup with protruding ringHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Apr 8, 2025·0 cites·20 claims
- 4860US12448873B1Puddle job with delayed setting of resinHALLIBURTON ENERGY SERVICES INC·Filed 2024·Granted Oct 21, 2025·0 cites·20 claims
- 4960US11965397B2Operating sleeveHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted Apr 23, 2024·0 cites·16 claims
- 5059US11982153B2Managed pressure reverse cementing and valve closureHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted May 14, 2024·0 cites·20 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Lonnie Carl Helms 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 →