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N VIRO ENERGY SYSTEMS LTD

Overview
  • Total Patents
    26
About

N VIRO ENERGY SYSTEMS LTD has a total of 26 patent applications. Its first patent ever was published in 1980. It filed its patents most often in United States, Argentina and Canada. Its main competitors in its focus markets environmental technology, basic materials chemistry and machines are BION TECHNOLOGIES INC, HERMANN JUNG DR and LYSTEK INT INC.

Patent filings in countries

World map showing N VIRO ENERGY SYSTEMS LTDs patent filings in countries
# Country Total Patents
#1 United States 7
#2 Argentina 3
#3 Canada 3
#4 Brazil 2
#5 EPO (European Patent Office) 2
#6 Mexico 2
#7 Australia 1
#8 Denmark 1
#9 Egypt 1
#10 India 1
#11 Japan 1
#12 Republic of Korea 1
#13 Norway 1

Patent filings per year

Chart showing N VIRO ENERGY SYSTEMS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Burnham Jeffrey C 14
#2 Nicholson John P 7
#3 Nicholson John Patrick 7
#4 Kneller William A 1
#5 Burham Jeffrey C 1
#6 Jiefurii Shii Baanamu 1
#7 Ahlbeck Richard A 1
#8 Nicholson Jhon P 1
#9 Jiyon Patoritsuku Nikoruson 1

Latest patents

Publication Filing date Title
US5275733A Process to stabilize wastewater sludge
US5135664A Method for treating wastewater sludge
EG18709A Method of treating wastewater sludge
AR241454A1 Method for biological muds treatment.
DK94588D0 Process for the treatment of sewage sludge
US4902431A Method for treating wastewater sludge
US4781842A Method of treating wastewater sludge
CA1266783A Beneficiating waste sludges for agricultural use and product made thereby
US4554002A Beneficiating waste sludges for agricultural use and product made thereby
US4432800A Beneficiating kiln dusts utilized in pozzolanic reactions
US4341562A Lightweight aggregate