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YEE ALFRED A

Overview
  • Total Patents
    29
About

YEE ALFRED A has a total of 29 patent applications. Its first patent ever was published in 1965. It filed its patents most often in Canada, United States and China. Its main competitors in its focus markets civil engineering, machines and transport are UNDA MARIS B V, TOKYO TEKKO KK and MODULAR WALLING SYSTEMS LTD.

Patent filings in countries

World map showing YEE ALFRED As patent filings in countries

Patent filings per year

Chart showing YEE ALFRED As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yee Alfred A 20
#2 Yee Alfred Alphonse 3
#3 Arufuretsudo Arufuonsu 1

Latest patents

Publication Filing date Title
US2013028658A1 Splice sleeve with elliptical or compound curve cross section
US2009263185A1 Rebar splice sleeve and method of splicing
CA2114263A1 Method of post-tensioning steel/concrete truss before installation
CN1100770A Long span post-tensioned steel/concrete truss and method of making same
US5305572A Long span post-tensioned steel/concrete truss and method of making same
CA1283303C Splice sleeve for reinforcing bars with cylindrical shell
CA1052190A Marine vessel with vertical annular walls
US4011826A Marine vessel with vertical annular walls
CA1001013A Floating or submerged marine vessel for storage, support or transport
US3613325A Concrete construction
US3552787A Wire cage-type splice sleeve for reinforcing bars
US3540763A Splice sleeve for reinforcing bars
ES328669A1 A method of manufacturing a concrete helmet pretensed for boats. (Machine-translation by Google Translate, not legally binding)
DE1264281B Reinforced concrete hull
GB1082050A Prestressed concrete hull and method of making the same
US3306245A Method of rebottoming metal hull with reinforced concrete
CA800337A Prestressed concrete hull and method of making the same
CA869257A Splice sleeve for reinforcing bars
CA796980A Method of rebottoming metal hull with reinforced concrete