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ALLEN JOHN H

Overview
  • Total Patents
    18
About

ALLEN JOHN H has a total of 18 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets civil engineering, machine tools and mechanical elements are STRETTO DI MESSINA SPA, SCHRECK PHILIPP and REISNER & WOLFF ENG.

Patent filings per year

Chart showing ALLEN JOHN Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Allen John H 18
#2 Baldwin Fred W 1
#3 Patterson Franklin M 1
#4 Vickers Thomas 1

Latest patents

Publication Filing date Title
CA2016624A1 Load bearing concrete panel construction
EP0418312A1 Load bearing concrete panel
US2632450A Pipe cleaner coupling
US1110098A Insulated rail-joint.
US975197A Toy.
CA122911A Rail joint
CA122910A Rail joint
US934648A Rail-joint.
CA114785A Mould for rail joint castings
US867333A Pipe-flanging machine.
US844437A Fluid-pressure engine.
US719714A Valve for reciprocating engines.
US711411A Insulated rail joint or connection.
US673631A Riveting-machine.
US925791A Rail-joint.
CA2616A Clothes washing machine