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WILLIAM RABKIN

Overview
  • Total Patents
    23
About

WILLIAM RABKIN has a total of 23 patent applications. Its first patent ever was published in 1928. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets control, optics and machines are NAGUET PIERRE, JOHN F MEYER and BARCREST LTD.

Patent filings in countries

World map showing WILLIAM RABKINs patent filings in countries
# Country Total Patents
#1 United States 17
#2 United Kingdom 4
#3 Canada 1
#4 Germany 1

Patent filings per year

Chart showing WILLIAM RABKINs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 William Rabkin 15
#2 Larsen Leo Einar 1
#3 Emil Graf 1
#4 Laing Torrance R 1

Latest patents

Publication Filing date Title
US2476767A Container for photographic plates
US2600573A Sound record disk
US2307955A Dispensing device
US2286010A Supply container for photographic plates
US2215230A Supply container for photographic plates for automatic photographic machines
GB484526A Improvements in or relating to automatic photographic machines or apparatus
US2140332A Strength testing machine
US2140331A Strength testing machine
US2109868A Coin controlled dispensing apparatus
US2089709A Dispensing cabinet for vending machines
GB427944A Improvements in or relating to amusement and vending machines
US2014437A Camera
GB426502A Improvement in bulk dispensing devices
US2070840A Projection mutoscope
US2001110A Bulk dispensing device
US1978167A Coin controlled vending machine
US1938834A Coin-controlled vending machine
GB345990A Improvements in and relating to coin-freed amusement and dispensing devices
US1865211A Coin controlled mechanism
US1755270A Coin-slot guard