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ROBERTS JOHN T

Overview
  • Total Patents
    15
About

ROBERTS JOHN T has a total of 15 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, packaging and shipping and medical technology are ASAHI CHEMICAL POLYFLEX CO LTD, NIPPON JIDO SEIKI KK and KM PLANNING CO LTD.

Patent filings in countries

World map showing ROBERTS JOHN Ts patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 4
#3 United Kingdom 1

Patent filings per year

Chart showing ROBERTS JOHN Ts patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Roberts John T 14
#2 Reid Philip L 2
#3 Lachappell Philip S 1
#4 Williams Danny R 1
#5 Hafner Edward P 1
#6 Martin Jr Jesse C 1
#7 Mattson Larry J 1
#8 Monsees Claude E 1

Latest patents

Publication Filing date Title
GB201212710D0 Illumination device
US4946536A Method of making a fusion bonded cartridge
CA1297776C Process and apparatus for dispensing and conveying individual articlesin seriatim order
CA1312580C Homogeneously fusion bonded cartridges
US4832537A Method and apparatus for dispensing and conveying plastic articles
US4765479A Strapping corner support
US4662974A Method of dispensing from a cartridge for thermoplastic articles
US4633653A Case packing apparatus
US2197058A Apparatus for making piston rings
US2124794A Piston ring expander
US1471506A Method of forming interlocking bricks
CA184389A Anti-skid device
US1105307A Warmer.
US1100198A Portable heater.