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CH2M HILL INC

Overview
  • Total Patents
    116
  • GoodIP Patent Rank
    188,898
  • Filing trend
    ⇩ 100.0%
About

CH2M HILL INC has a total of 116 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1974. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets environmental technology, chemical engineering and machines are JIANGSU YIHUAN GROUP CO LTD, ENVIRO CHEMIE GMBH and ZIMPRO PASSAVANT INC.

Patent filings per year

Chart showing CH2M HILL INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Daigger Glen T 14
#2 Wollmann Albert M 10
#3 Myers Anthony G 10
#4 Fleischer Edwin J 9
#5 Mueller Paul 9
#6 Patwardhan Avinash S 9
#7 Allen Jan 7
#8 Wagh Arun S 6
#9 Johnson Bruce R 5
#10 Broderick Thomas A 5

Latest patents

Publication Filing date Title
AU2017340405A1 Passive device for vapor intrusion sampling
WO2015179700A2 Biofilm media, treatment system and method of treatment
US2015290647A1 Semi-dynamic leach test device and methods of making and using
US2010051110A1 Gas actuated valve
US2010101774A1 Measurement and Control of Liquid Level in Wells
US2009130013A1 Methods and systems for enhancing mercury, selenium and heavy metal removal from flue gas
WO2009025928A2 Systems and methods for solar mapping, determining a usable area for solar energy production and/or providing solar information
US7754090B1 Portable ultraviolet water treatment apparatus
WO2008141290A1 Low phosphorous water treatment methods and systems
WO2008127845A1 Wireless automation systems and processes for wells
US2008223793A1 Treatment of particulate biodegradable organic waste by thermal hydrolysis using condensate recycle
WO2008067246A2 Water treatment using de-supersaturation
US2008290024A1 Methods for reducing biosolids odors
US2007225542A1 Treatment of in ground chromium ore processing residue
US2010301287A1 Process for Treating Spent Nuclear Fuel
WO2007056641A2 In-situ treatment of in ground contamination
CN1789165A Wastewater treatment system and method of treating wastewater
WO2005116906A2 Method and system for water flow analysis
WO2005077051A2 Horizontal bore cryogenic drilling method
US2005246102A1 Method and system for evaluating water usage