Inventor
EARL JEFFREY
US18 patents
⚠️ This page may combine multiple inventors who share the name “EARL JEFFREY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAPPHIRE TECH INC
13 patentsUS11611263B1Mar 21, 2023
Electrical power generation
SAPPHIRE TECH INC8 citations83
US11594937B1Feb 28, 2023
Process integration in electrical power generation
SAPPHIRE TECH INC4 citations73
US12027732B2Jul 2, 2024
Fuel cell temperature control
SAPPHIRE TECH INC3 citations72
US11619140B1Apr 4, 2023
Producing power with turboexpander generators based on specified output conditions
SAPPHIRE TECH INC2 citations71
US12212214B2Jan 28, 2025
Hydrogen applications for turboexpander machines
SAPPHIRE TECH INC1 citations62
US12289034B2Apr 29, 2025
Process integration in electrical power generation
SAPPHIRE TECH INC0 citations61
US12000291B2Jun 4, 2024
Hydrogen cooling turboexpander
SAPPHIRE TECH INC1 citations61
US12546283B2Feb 10, 2026
Electrical power generated by carbon dioxide gas pressure letdown
SAPPHIRE TECH INC0 citations50
US12374960B2Jul 29, 2025
Hydrogen production using electrical power generated by gas pressure letdown
SAPPHIRE TECH INC0 citations50
US12104493B2Oct 1, 2024
Producing power with turboexpander generators based on specified output conditions
SAPPHIRE TECH INC0 citations50
US12449195B2Oct 21, 2025
Conditioning gas for a pipeline
SAPPHIRE TECH INC0 citations45
US12286953B2Apr 29, 2025
Energy recovery from a gas well
SAPPHIRE TECH INC0 citations44
US12258887B2Mar 25, 2025
Cooling gas recovered from a well
SAPPHIRE TECH INC0 citations40