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PRESTON JOHN C

Overview
  • Total Patents
    11
About

PRESTON JOHN C has a total of 11 patent applications. Its first patent ever was published in 1977. It filed its patents most often in United States, Canada and China. Its main competitors in its focus markets civil engineering are STEIDLE BAU E, APACHE IND SERVICES INC and THYSSEN HUENNEBECK GMBH.

Patent filings in countries

World map showing PRESTON JOHN Cs patent filings in countries
# Country Total Patents
#1 United States 6
#2 Canada 4
#3 China 1

Patent filings per year

Chart showing PRESTON JOHN Cs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Scaffolding
#2 Structural elements

Top inventors

# Name Total Patents
#1 Preston John C 11

Latest patents

Publication Filing date Title
CA1331767C Scaffolding clamp and pallet
CA1310041C Scaffolding
US4858726A Scaffolding module and method erecting same
US4129197A Safety-catch scaffolding system