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PORTER CO INC H K

Overview
  • Total Patents
    213
About

PORTER CO INC H K has a total of 213 patent applications. Its first patent ever was published in 1941. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets machines, electrical machinery and energy and mechanical elements are SUEHIRO SANGYO KK, ROBERTS ARTHUR H and THOMAS ROBERTS FRED.

Patent filings in countries

World map showing PORTER CO INC H Ks patent filings in countries

Patent filings per year

Chart showing PORTER CO INC H Ks patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Galloway Frederick M 10
#2 Robert Johnson 10
#3 Willy Olsen 9
#4 Rittenhouse Godfrey J 8
#5 Sprigings Donald G 7
#6 Sinnamon Robert H 7
#7 Kennedy Frank J 7
#8 Yale Mageoch Harry 7
#9 Martin Gerald E 6
#10 Edgell James E 6

Latest patents

Publication Filing date Title
US4189977A Weather tight blind fastener
ES457420A1 Continuous extrusion of elongate elastomeric objects e.g. pipes - with parallel alignment followed by joining with elastomeric covering
GB1553444A Method of and apparatus for producing reinforced tubular articles
US4130537A Asbestos free friction element
US4112268A Double side air break disconnecting switch
US4063443A Rod gripping tool for applying fasteners
US4049092A Current conductor system
DE2511303A1 Bar pick-up and carrying tool - incorporates carrying section with moving clamping unit, and release mechanism
FR2303639A1 Roof mounting rod fastening tool - has pair of handles to pull rod through hollow tube to tension roofing
GB1447958A Tool for releasably gripping and pulling a rod
CA1011137A Tool for releasably gripping a rod
US3880252A Muffler
US3970168A Muffler
US3872570A Fastener applying tool
GB1369522A Fasteners
GB1372011A Current conductor rail
US3617673A Contact structure
US3673426A Phase reversal switch and/or circuit breaker
US3609254A Current conductor splice joint
US3619522A Switch construction