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ENVIRONMENTAL PROJECTS INC

Overview
  • Total Patents
    24
About

ENVIRONMENTAL PROJECTS INC has a total of 24 patent applications. Its first patent ever was published in 1993. 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, chemical engineering and environmental technology are REED ADVANCED MAT PTY LTD, FMC WYOMING CORP and INTERMOUNTAIN RES & DEV CORP.

Patent filings in countries

World map showing ENVIRONMENTAL PROJECTS INCs patent filings in countries
# Country Total Patents
#1 United States 14
#2 WIPO (World Intellectual Property Organization) 5
#3 Australia 3
#4 China 1
#5 United Kingdom 1

Patent filings per year

Chart showing ENVIRONMENTAL PROJECTS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hazen Wayne C 14
#2 Pruszko Rudolph 14
#3 Schmidt Roland 12
#4 Denham Dale Lee Jr 8
#5 Denham Jr Dale Lee 7
#6 Baughman David R 5
#7 Denham Dale Lee 4
#8 Tacoma Ralph B 3
#9 Turner Allan L 3
#10 Wold John S 3

Latest patents

Publication Filing date Title
US2007231228A1 Low-insoluble sodium carbonate production
US6464736B1 Recrystallization process
WO9938801A1 Sodium carbonate recrystallization
US6479025B2 Process for the production of sodium carbonate
US6010672A Process for producing sodium carbonate from trona ore
US6173840B1 Beneficiation of saline minerals
AU6437398A Beneficiation of saline minerals
US5911959A Method for purification and production of saline minerals from trona
WO9622398A1 Method for purification of saline minerals
US5736113A Method for beneficiation of trona
US5470554A Benefication of saline minerals