1
Herman P Miller III: Anaerobic digestion system and process. September 18, 2001: US06291232 (15 worldwide citation)

Anaerobic digestion system and process in which the raw digester gas containing methane and other gaseous components is cooled at atmospheric pressure in the presence of a liquid to a temperature at which the other gaseous components have a substantially higher solubility in the liquid than methane ...


2
Herman P Miller III: Vacuum retort anaerobic digestion system and process. September 13, 2005: US06942798 (15 worldwide citation)

Anaerobic digestion system and process in which a liquor containing a digestible biomass is processed a retort vessel at a thermophilic temperature and with a vacuum pressure at the surface of the liquor. A pressurized feedstock is introduced into the vessel so that the feedstock impacts upon the su ...


3
Herman P Miller III: Vertical phase separation in anaerobic digestion. September 14, 2004: US06790359 (11 worldwide citation)

Method and process for dramatically increasing mixing, energy and operating efficiency of wastewater treatment plants at reduced capital and operating cost per unit volume.


4
Herman P Miller III: Vacuum retort anaerobic digestion (VRAD) system and process. October 14, 2003: US06632362 (10 worldwide citation)

This invention pertains generally to anaerobic digesters, and more particularly to a system and process that extends the range of acceptable biomass feedstock concentrations and provides pH process control of all known digestion processes: by the creation of a vacuum or vacuum retort in or before th ...


5
Herman P Miller III: Narrow band transmission system and method. Flehr Hohbach Test Albritton & Herbert, February 9, 1982: US04315105 (2 worldwide citation)

System and method utilizing the temporal separation and amplitude differences of signals for transmitting the signals in a bandwidth corresponding to one half of the frequency range present in the signals.


6
Herman P Miller III: Anaerobic wastewater treatment system and process utilizing solids based bacterial colonization (SBBC). Edward S Wright, January 22, 2013: US08357297

Anaerobic Wastewater treatment system and process in which the influent is passed through a mixing chamber and then through a series of filters of progressively smaller size to separate the materials carrying the colonized bacteria from finer solids in the influent and separate the materials accordi ...


7
Herman P Miller III: Wastewater treatment system and process utilizing solids based bacterial colonization (SBBC). Edward S Wright, May 18, 2010: US07718068

Wastewater treatment system and process in which the influent is passed through a mixing chamber and then through a series of filters of progressively smaller size to separate the materials carrying the colonized bacteria from finer solids in the influent and separate the materials according to size ...


8
Herman P Miller III: Anaerobic Wastewater Treatment System and Process Utilizing Solids Based Bacterial Colonization (SBBC). Edward S Wright, August 26, 2010: US20100213121-A1

Anaerobic Wastewater treatment system and process in which the influent is passed through a mixing chamber and then through a series of filters of progressively smaller size to separate the materials carrying the colonized bacteria from finer solids in the influent and separate the materials accordi ...


9
Herman P Miller III: Wastewater treatment system and process utilizing solids based bacterial colonization (SBBC). Edward S Wright, February 25, 2010: US20100044305-A1

Wastewater treatment system and process in which the influent is passed through a mixing chamber and then through a series of filters of progressively smaller size to separate the materials carrying the colonized bacteria from finer solids in the influent and separate the materials according to size ...