Learn more

WESTBLOCK SYSTEMS INC

Overview
  • Total Patents
    27
  • GoodIP Patent Rank
    220,189
About

WESTBLOCK SYSTEMS INC has a total of 27 patent applications. Its first patent ever was published in 2002. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, machines and packaging and shipping are BLOCK ALLAN CORP, ROCKWOOD RETAINING WALLS INC and MACDONALD ROBERT A.

Patent filings per year

Chart showing WESTBLOCK SYSTEMS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hammer James 23
#2 Johnston Llewellyn L 4
#3 Ward Todd 4
#4 Hammer James E 4
#5 Dunn Ronald 2
#6 Johnston Llewellyn Lee 2
#7 Griffin Max 2
#8 Simac Michael 2
#9 Johnston Liewellyn L 1

Latest patents

Publication Filing date Title
US2015071715A1 Retaining wall system
US2013315679A1 Retaining wall system
US2009000233A1 Wall block and apparatus and method for making the same
US2009041552A1 Retaining wall system
US2008174049A1 Apparatus and method for making a masonry block
CA2596472A1 Masonry block wall system
US2007196184A1 Reinforced retaining wall and method of construction
US2005108973A1 Wall block, system and mold for making the same
US2004161307A1 Hybrid retaining wall system
EP1442179A1 Wall block, system and method
US7100886B2 Apparatus and methods for making a masonry block with a roughened surface