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INTERKAL INC

Overview
  • Total Patents
    20
About

INTERKAL INC has a total of 20 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, machines and furniture and games are TENTOBED COMPANY, XIAMEN INNOVATION METAL PROD and LUPUDA XIAMEN OUTDOOR GOODS CO LTD.

Patent filings in countries

World map showing INTERKAL INCs patent filings in countries
# Country Total Patents
#1 United States 14
#2 Canada 5
#3 EPO (European Patent Office) 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Guiles Melvin J 14
#2 Ahrens Kenneth A 11
#3 Victor Daniel R 5
#4 Mckay Stanley W 4
#5 Clark Vaughn L 2
#6 Amemiya Minoru 2
#7 Patterson Richard L 2
#8 Molloy Richard P 2
#9 Kemppainen Thomas R 1
#10 Nakamura Hiro 1

Latest patents

Publication Filing date Title
US6428097B1 Deployable bleacher/chair combination
EP1070809A2 Variable sight-line grandstand seating arrangement
CA2284335A1 Aisle riser backstops for telescopic seating systems
US6324790B1 Deployable seating arrangement
US6354041B1 Aisle riser backstops for telescoping seating systems
US5822929A Aisle riser backstops for telescopic seating systems
US5813663A Railing system for telescopic seating
US5456518A Flexible access seating
US5236165A Fastening system for movable seating
US5127706A Fire retardant seating
US4467569A Telescopic risers
US4045921A Alignment device for telescoping gymnasium seating