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SPIRO AMERICA INC

Overview
  • Total Patents
    24
About

SPIRO AMERICA INC has a total of 24 patent applications. Its first patent ever was published in 1984. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets machine tools and machines are PROV & VERKTYG AB, BUTA JOHN R and FUJI KIKAI KOSAKUSHO KK.

Patent filings per year

Chart showing SPIRO AMERICA INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Castricum Wilhelmus P H 23
#2 Castricum Wilhelmus P 1

Latest patents

Publication Filing date Title
US5421185A Apparatus for cutting sheet material into curved segments
US5257521A Apparatus and method for cutting spiral pipe
US5193374A Apparatus for cutting spiral pipe
US5020351A Apparatus for flattening irregular circumferential surfaces in spirally formed pipe
US5105639A Apparatus for forming spiral pipe
US4924684A Apparatus for forming and cutting spiral pipe
US4823579A Apparatus for cutting hollow pipes
US4711110A Apparatus for crimping pipe
EP0206201A2 Apparatus for cutting hollow pipes
US4567742A Ribbed spiral pipe producing machine