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HERITAGE ENVIRONMENTAL SERV

Overview
  • Total Patents
    63
About

HERITAGE ENVIRONMENTAL SERV has a total of 63 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets materials and metallurgy, environmental technology and machines are METALLO CHIMIQUE SA, ZIA TECHNOLOGY INC and AURUBIS AG.

Patent filings per year

Chart showing HERITAGE ENVIRONMENTAL SERVs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bratina James E 29
#2 Roberts Thomas Edward 10
#3 Price Kenneth S 10
#4 Steward Frederick A 8
#5 Lenti Kim M 6
#6 Lenti Kim 6
#7 Mcdaniel William J 5
#8 Fehsenfeld Fred M 5
#9 Eyster Perry 3
#10 Etzel James E 3

Latest patents

Publication Filing date Title
CA2890555A1 Vertical shaft impactor
US2009202424A1 Calcium-sodium polysulfide chemical reagent and production methods
EP2262584A1 Method of processing silicone wastes
US2009229410A1 Processing parameters for operation of a channel induction furnace
US2009229407A1 Reductant addition in a channel induction furnace
US2009229409A1 Feed material composition and handling in a channel induction furnace
US2009229406A1 Slag control in a channel induction furnace
US2009229408A1 Use of a channel induction furnace to process at least one of a molten metal product, a vapor phase metal product and a slag product from a variety of feed materials
EP2079803A1 Water-proofing composition
US2007157761A1 Use of an induction furnace for the production of iron from ore
US2007062330A1 Operation of iron oxide recovery furnace for energy savings, volatile metal removal and slag control
US2006094921A1 Method for chemically stabilizing waste materials containing multivalent oxyanions
AU2004201657A1 Dual use of an induction furnace to produce hot metal or pig iron while processing iron and volatile metal containing materials
US6932853B2 Mechanical separation of volatile metals at high temperatures
US6831939B2 Dual use of an induction furnace to produce hot metal or pig iron while processing iron and volatile metal containing materials
US6991593B2 Hazardous waste stabilization methods, products and testing procedures
US6562101B1 Processing electric arc furnace dust through a basic oxygen furnace
US6562096B1 Management of electric arc furnace dust through a basic oxygen furnace
US6682586B2 Assemblies and methods for processing zinc-bearing materials
BR0116969A waste management method and system