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GOLDBERG DAVID N

Overview
  • Total Patents
    16
About

GOLDBERG DAVID N has a total of 16 patent applications. Its first patent ever was published in 1945. It filed its patents most often in United States and Canada. Its main competitors in its focus markets mechanical elements, machine tools and machines are GREY JOHN C, BORG WARNER AUTOMOTIVE TRANS & ENGINE COMPONENTS CORPORATION and AMERICAN FLEXIBLE COUPLING COM.

Patent filings in countries

World map showing GOLDBERG DAVID Ns patent filings in countries
# Country Total Patents
#1 United States 14
#2 Canada 2

Patent filings per year

Chart showing GOLDBERG DAVID Ns patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Goldberg David N 16

Latest patents

Publication Filing date Title
CA1026246A Articulated friction unit assembly for brake or clutch use
US3894620A Articulated friction unit assembly for brake or clutch use
US3250111A Rivet holding tool
US3001622A Brake or clutch assembly particularly adapted for vehicular use
US2993577A Friction unit assembly for brake or clutch structures
US2974771A Adjustable length friction unit assembly for brake or clutch structures
US2910162A Articulated brake or clutch assembly
US2723016A Brake or clutch structure
US2778470A Flexible brake or clutch band
US2774455A Clutch or brake band
US2642761A Drill press attachment
US2642760A Drill press attachment
US2502255A Bucker tool
US2430812A Stop for electric drills
US2436295A Rivet bucker tool
CA510858A Drill press attachment