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GRIP NUT CO

Overview
  • Total Patents
    103
About

GRIP NUT CO has a total of 103 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets mechanical elements, machine tools and machines are BURDSALL & WARD CO, LAMSON AND SESSIONS COMPANY and BULTFABRIKS AB.

Patent filings in countries

World map showing GRIP NUT COs patent filings in countries
# Country Total Patents
#1 United States 61
#2 Canada 20
#3 United Kingdom 10
#4 France 6
#5 Germany 2
#6 Spain 2
#7 Austria 1
#8 Sweden 1

Patent filings per year

Chart showing GRIP NUT COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kass Lawrence W 14
#2 Sharp William E 12
#3 Abbott Gail C 11
#4 Tripp Chester D 9
#5 Flint Louis J 8
#6 Hibbard Edward R 6
#7 Massey Paul D 4
#8 Ward Daniel O 3
#9 Henrickson Clarence A 2
#10 Chadwick Arthur B 2

Latest patents

Publication Filing date Title
US3139638A Nut feeding and orienting means at work station
GB820768A Article selecting, rejecting and measuring apparatus
GB829843A Machine tool
US2909395A Journal box lubricator
GB826062A Improvements in lock nuts
US3084359A Machine for indenting nut sides to produce locking portions therein
US3029856A Lock nut with displaced thread portion
US2954105A Brake beam safety support and universal support bracket therefor
US2880826A Brake beam safety support
US2880868A Article selecting, rejecting and measuring apparatus
GB690248A Weld nut
GB672396A Lock nut and method of making the same
US2707507A Weld nut
US2709469A Weldable lock nut
GB678283A Weldable nut and method of making same
US2514074A Brake beam safety support
US2519417A Thread gripping lock nut
US2503403A Hanger attachment for railway trucks
US2505974A Brake beam safety support
US2596109A Automatic work feeding mechanism