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SEVENSON ENVIRONMENTAL SERVICE

Overview
  • Total Patents
    18
About

SEVENSON ENVIRONMENTAL SERVICE has a total of 18 patent applications. Its first patent ever was published in 1993. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets environmental technology, civil engineering and materials and metallurgy are INERTEC, GLOBAL ECOPROCESS SERVICES OY and PELT & HOOYKAAS.

Patent filings in countries

World map showing SEVENSON ENVIRONMENTAL SERVICEs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 3
#3 United Kingdom 2

Patent filings per year

Chart showing SEVENSON ENVIRONMENTAL SERVICEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yost Karl W 15
#2 Pal Dhiraj 14
#3 Chisick Steven A 5
#4 Harris Russell W 2
#5 Wheeler Jr Mason G 1
#6 Crystal Michael D 1
#7 Kostuk Wayne A 1
#8 Wheeler Mason G Jr 1
#9 Donegan Timothy M 1
#10 Elia Michael C 1

Latest patents

Publication Filing date Title
US2013164083A1 Barge system for hydraulic spreading of aquatic capping material
US6635796B2 Reduction of leachability and solubility of radionuclides and radioactive substances in contaminated soils and materials
US6258018B1 Fixation and stabilization of metals in contaminated soils and materials
CA2242148A1 Method of sealing joints between adjacent sheet piling sections to form a continuous barrier and barriers formed using said method
US5732367A Reduction of leachability and solubility of radionuclides and radioactive substances in contaminated soils and materials
US5397478A Fixation and stabilization of chromium in contaminated materials
US5527982A Fixation and stabilization of metals in contaminated materials