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HAMMOND MACHINERY BUILDERS INC

Overview
  • Total Patents
    164
About

HAMMOND MACHINERY BUILDERS INC has a total of 164 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets machine tools, machines and mechanical elements are LACH SPEZIAL WERKZEUGE GMBH, MICROMATIC HONE CORP and OLIVER INSTR COMPANY.

Patent filings in countries

World map showing HAMMOND MACHINERY BUILDERS INCs patent filings in countries
# Country Total Patents
#1 United States 76
#2 United Kingdom 38
#3 Germany 24
#4 France 17
#5 Switzerland 8
#6 Sweden 1

Patent filings per year

Chart showing HAMMOND MACHINERY BUILDERS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hammond Lee C 27
#2 Bell Ramsay M 23
#3 Krueger Edward C 22
#4 Sutton Donald E 19
#5 Robischung Philip J 19
#6 Bass Miles M 15
#7 Zinn Clarence A 4
#8 Joseph Robischung Phillip 3
#9 Robischung Phillip J 3
#10 Bell Ramsay Moyer 3

Latest patents

Publication Filing date Title
US6439961B1 Machining cell and method for deburring the root of a turbine blade
US3684673A Method and apparatus for analyzing and controlling the cleaning operation of an electrochemical grinding device
US3685393A Device for smoothing irregularities
US3669459A Oscillating spindle seal
US3664947A Work holder for electrochemical abrading machine
GB1247910A Cleaning method and means for electro-chemical grinder
US3697403A Electrochemical grinding apparatus
US3593466A Abrasive-compound-applicating means
GB1149682A An abrasive device for use in an electro-chemical grinding procedure
US3450618A Face mill grinder
US3440933A Adjustable stroke control device
GB1163318A Free Flowing Glass Bead Composition
US3461059A Power operated electro-chemical fixture
US3448023A Belt type electro-chemical (or electrolytic) grinding machine
GB1018060A Method and apparatus for holding workpieces for a material removal operation
US3209495A Belt abrader
US3209496A Belt abrader adjustment mechanism
US3243921A Mounting duplex tables on two rods
US3248982A Work feeding device
US3183629A Splash curtain for belt grinder