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HOPKINS JOHN R

Overview
  • Total Patents
    14
About

HOPKINS JOHN R has a total of 14 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, mechanical elements and civil engineering are BODY HEAT LTD, BACKER EHP INC and ACRA ELECTRIC CORP.

Patent filings in countries

World map showing HOPKINS JOHN Rs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 4

Patent filings per year

Chart showing HOPKINS JOHN Rs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hopkins John R 14
#2 Mcnulty Frank E 8
#3 Schettler Timothy Roger 2
#4 Schettler Timothy R 1
#5 Ford James Scott 1

Latest patents

Publication Filing date Title
US2011253302A1 Emergency extrication tape
US2007266663A1 Door and window sill gasket
US2007042150A1 Adhesive coverings and methods of producing and using the same
US2008010917A1 Flexible Wicking Membrane
US2828800A Method of and product for coating joints of pipe
US2794483A Preformed product for protecting and coating field joints of pipes
US2828798A Method of applying a protective wrapping to a pipe
US2721823A Method of and product for repairing protective coated pipes
CA725239A Protective wrapping for pipelines and method of producing and applying same
CA608532A Method of and product for coating joints of pipe
CA683607A Laminated protective wrapping
CA607247A Protective coating for a pipe or the like and cold method of applying same