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HOFFMANN ERNST GUSTAV

Overview
  • Total Patents
    40
About

HOFFMANN ERNST GUSTAV has a total of 40 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United States, United Kingdom and Austria. Its main competitors in its focus markets mechanical elements, machines and transport are FAFNIR BEARING CO, BANTAM BEARINGS CORP and TORRINGTON CO.

Patent filings in countries

World map showing HOFFMANN ERNST GUSTAVs patent filings in countries
# Country Total Patents
#1 United States 23
#2 United Kingdom 14
#3 Austria 1
#4 Canada 1
#5 Switzerland 1

Patent filings per year

Chart showing HOFFMANN ERNST GUSTAVs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hoffmann Ernst Gustav 39
#2 Becker Amalie Mathilde 3
#3 Kiddle Alfred W 3
#4 Ernst Gustav Hoffmann 1

Latest patents

Publication Filing date Title
US1103965A Cage for ball-bearings.
GB190728616A Improvements in Annular Knives.
US887093A Transmission-gearing for automobiles.
US896208A Motor-vehicle.
US1076652A Driving mechanism for vehicles.
US1129036A Electric motor.
US899534A Universal joint.
US881471A Method of manufacturing and assembling ball-bearings.
US868926A Grinding balls.
US877927A Annular knife.
US868860A Grinding balls.
US905532A Truck for railway-cars.
US803164A Ball-grinding machine.
US771637A Universal joint or coupling for shafting, &c.
US754066A Telescopic joint for shafting, &c.
GB190319687A Improvements in Universal Joints or Couplings and Sliding Connections for Shafting and the like.
US729586A Road-vehicle.
US774427A Ball-bearing.
US738445A Device for securing parts to shafts.
GB190215131A Improvements in Ball Bearings.