Inventor
HOLTZAPPLE MARK T
US45 patents
⚠️ This page may combine multiple inventors who share the name “HOLTZAPPLE MARK T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEXAS A & M UNIV SYS
23 patentsUS6043392AMar 28, 2000
Method for conversion of biomass to chemicals and fuels
TEXAS A & M UNIV SYS176 citations99
US5865898AFeb 2, 1999
Methods of biomass pretreatment
TEXAS A & M UNIV SYS332 citations99
US6395926B1May 28, 2002
Process for recovering low-boiling acids
TEXAS A & M UNIV SYS79 citations98
US6886326B2May 3, 2005
Quasi-isothermal brayton cycle engine
TEXAS A & M UNIV SYS73 citations97
US6262313B1Jul 17, 2001
Thermal conversion of fatty acid salts to ketones
TEXAS A & M UNIV SYS61 citations96
US5097677AMar 24, 1992
Method and apparatus for vapor compression refrigeration and air conditioning using liquid recycle
TEXAS A & M UNIV SYS59 citations96
US6478965B1Nov 12, 2002
Recovery of fermentation salts from dilute aqueous solutions
TEXAS A & M UNIV SYS53 citations95
US6427453B1Aug 6, 2002
Vapor-compression evaporative air conditioning systems and components
TEXAS A & M UNIV SYS38 citations95
US6336317B1Jan 8, 2002
Quasi-isothermal Brayton cycle engine
TEXAS A & M UNIV SYS68 citations95
US5986133ANov 16, 1999
Recovery of fermentation salts from dilute aqueous solutions
TEXAS A & M UNIV SYS80 citations95
US5693296ADec 2, 1997
Calcium hydroxide pretreatment of biomass
TEXAS A & M UNIV SYS121 citations94
US7708865B2May 4, 2010
Vapor-compression evaporation system and method
TEXAS A & M UNIV SYS35 citations92
US7663283B2Feb 16, 2010
Electric machine having a high-torque switched reluctance motor
TEXAS A & M UNIV SYS18 citations92
US7328591B2Feb 12, 2008
Jet ejector system and method
TEXAS A & M UNIV SYS24 citations92
US7186101B2Mar 6, 2007
Gerotor apparatus for a quasi-isothermal Brayton cycle Engine
TEXAS A & M UNIV SYS17 citations92
US5969189AOct 19, 1999
Thermal conversion of volatile fatty acid salts to ketones
TEXAS A & M UNIV SYS51 citations92
US6684658B2Feb 3, 2004
Vapor-compression evaporative air conditioning systems and components
TEXAS A & M UNIV SYS20 citations91
US7695260B2Apr 13, 2010
Gerotor apparatus for a quasi-isothermal Brayton cycle engine
TEXAS A & M UNIV SYS20 citations89
US7726959B2Jun 1, 2010
Gerotor apparatus for a quasi-isothermal Brayton cycle engine
TEXAS A & M UNIV SYS14 citations84
US8022586B2Sep 20, 2011
Electric machine having rotor and stator configurations
TEXAS A & M UNIV SYS5 citations73
US7093455B2Aug 22, 2006
Vapor-compression evaporative air conditioning systems and components
TEXAS A & M UNIV SYS8 citations72
US12179145B2Dec 31, 2024
Cryogenic separation of carbon dioxide, sulfur oxides, and nitrogen oxides from flue gas
TEXAS A & M UNIV SYS0 citations42
US7780099B2Aug 24, 2010
High-efficiency jet ejector and propulsive jet
TEXAS A & M UNIV SYS0 citations31
HOLTZAPPLE MARK T
9 patentsUS8821138B2Sep 2, 2014
Gerotor apparatus for a quasi-isothermal Brayton cycle engine
HOLTZAPPLE MARK T18 citations92
US8232440B2Jul 31, 2012
Alternative paths to alcohols and hydrocarbons from biomass
HOLTZAPPLE MARK T20 citations87
US8753099B2Jun 17, 2014
Sealing system for gerotor apparatus
HOLTZAPPLE MARK T7 citations82
US8519206B2Aug 27, 2013
Alternative paths to alcohols and hydrocarbons from biomass
HOLTZAPPLE MARK T9 citations79
US8905735B2Dec 9, 2014
Gerotor apparatus for a quasi-isothermal Brayton cycle engine
HOLTZAPPLE MARK T4 citations70
US8410321B2Apr 2, 2013
Alternative paths to alcohols and hydrocarbons from biomass
HOLTZAPPLE MARK T2 citations58
US10238827B2Mar 26, 2019
Air-delivery system for breathing-assist devices
HOLTZAPPLE MARK T0 citations46
US8765429B2Jul 1, 2014
Biomass shock pretreatment
HOLTZAPPLE MARK T1 citations43
US8137955B2Mar 20, 2012
Method for heat recovery from pre-treated biomass
HOLTZAPPLE MARK T0 citations39