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CORMA INC

Overview
  • Total Patents
    19
About

CORMA INC has a total of 19 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets machines, thermal processes and civil engineering are SUZHOU JWELL PLASTIC MACHINERY CO LTD, NAKAJIMA TOKUJI and ZHEJIANG HONGZHEN MACHINE MOULD GROUP CO LTD.

Patent filings per year

Chart showing CORMA INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Lupke Manfred A A 12
#2 Rahn Horst 3
#3 Stover Hermann 2
#4 Meyer Alfons 2
#5 Rahn Horst Dipl Ing 1
#6 Lupke Stefan 1
#7 Chan Harry 1
#8 Yi Basilio 1

Latest patents

Publication Filing date Title
US5466402A Gap adjustment of a plastic flow channel in a plastic part forming device
US5545369A Clamshell corrugators and the like
US5296188A Methods for forming tubing utilizing suction and pneumatic pressure at the surface of the cooling plug
US5186878A Improvements relating to cooling plugs in thermoplastic pipe forming apparatus and process
US4789327A Adjustable pipe extrusion die with internal cooling
DE3737588A1 Method for producing an internally smooth, externally finned tube made of extrudable plastic and device for carrying out the method
CA1263247A Method and apparatus for encasing drainage pipes