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SPUN STEEL LTD

Overview
  • Total Patents
    11
About

SPUN STEEL LTD has a total of 11 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Canada. Its main competitors in its focus markets mechanical elements and engines, pumps and turbines are RA JONG OH, NAKAGAWA MINORU and BORG WARNER AUTOMOT KK.

Patent filings in countries

World map showing SPUN STEEL LTDs patent filings in countries
# Country Total Patents
#1 Canada 11

Patent filings per year

Chart showing SPUN STEEL LTDs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Gearing
#2 Internal-combustion piston engines

Top inventors

# Name Total Patents
#1 Kraft Derald H 7
#2 Sproul Nolte V 3
#3 Radocaj Mijo 1
#4 Rinaldo Daniel M 1
#5 Wolbert Fred A 1

Latest patents

Publication Filing date Title
CA1143967A Belt tensioner
CA1144007A Apparatus for hydraulically forming sheet metal pulleys
CA1156499A Mechanical belt tensioner construction
CA1147170A Arrangement for tensioning the drive belt for vehicle accessories
CA1147169A Hydraulic belt tensioner construction
CA1135536A Hydraulic belt tensioner construction
CA1135535A Hydraulic belt tensioner construction
CA1135533A Hydraulic belt tensioner construction
CA1135534A Belt tensioner construction