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KEYSTONE ENGINEERING INC

Overview
  • Total Patents
    27
  • GoodIP Patent Rank
    234,131
About

KEYSTONE ENGINEERING 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, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets civil engineering, engines, pumps and turbines and environmental technology are MARITIME OFFSHORE GROUP GMBH, CHITIS W and KNUDSEN POUL N.

Patent filings per year

Chart showing KEYSTONE ENGINEERING INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hall Rudolph A 26
#2 Shaw Ralph L 8
#3 Shaw Raph L 2
#4 Rudolph Hall 1

Latest patents

Publication Filing date Title
WO2015179828A1 Offshore support structure
CA2858354A1 Grouted cylindrical connection utilizing bearing surfaces for offshore monopile foundations
CA2765046A1 Offshore support structure and associated method of installing
KR20120038955A Pile splice and method of forming a pile splice
US2006104821A1 Offshore structure support and foundation for use with a wind turbine and an associated method of assembly
CA2478574A1 Offshore structure support