with actuation in the other direction by gravity

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Patents Grantslast 30 patents

Information Patent Grant
Gas-lift system with paired controllers
- Patent number 11,795,794
- Issue date Oct 24, 2023
- Epic Lift Systems LLC
- Jason Williams
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Gas-lift system with paired controllers
- Patent number 11,199,081
- Issue date Dec 14, 2021
- Jason Williams
- E21 - EARTH DRILLING MINING
Information Patent Grant
Controlled pneumatic well pumping system, and method for optimizing...
- Patent number 10,428,627
- Issue date Oct 1, 2019
- Encline Artificial Lift Technologies LLC
- William G. Elmer
- G05 - CONTROLLING REGULATING
Information Patent Grant
Apparatus for harnessing and storage of wind energy
- Patent number 4,358,250
- Issue date Nov 9, 1982
- Barrett M. M. Payne
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
3643432
- Patent number 3,643,432
- Issue date Feb 22, 1972
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
1880650
- Patent number 1,880,650
- Issue date Oct 4, 1932
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
1839611
- Patent number 1,839,611
- Issue date Jan 5, 1932
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES