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NELSON ROBERT T

Overview
  • Total Patents
    22
About

NELSON ROBERT T has a total of 22 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States, Canada and Norway. Its main competitors in its focus markets machine tools, civil engineering and surface technology and coating are JIANGSU LONGCHENG CASTING MACHINERY TECH CO LTD, BRENNECKE HEINZ and PANGBORN CORP.

Patent filings in countries

World map showing NELSON ROBERT Ts patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 7
#3 Norway 2
#4 Spain 1
#5 Italy 1
#6 Mexico 1

Patent filings per year

Chart showing NELSON ROBERT Ts patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nelson Robert T 11
#2 Goff James R 4
#3 Shelton John J 4
#4 Goff James Richard 1
#5 Goff J R 1

Latest patents

Publication Filing date Title
US5142831A Apparatus for treating cornered surfaces
US5090162A Surface treating apparatus
US4798162A Easter egg decorating device
US4618352A Dust collector
US4416092A Cleaning apparatus
US4382352A Apparatus for cleaning surfaces, including means for separating debris and abrasive material
US4336671A Surface cleaning apparatus
US4286417A Blasting machine with position sensing and adjustment
US4376358A Surface treating apparatus
US3691689A Abrasive surface cleaning apparatus