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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 14 | |
#2 | Canada | 5 | |
#3 | EPO (European Patent Office) | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Furniture and games | |
#4 | Transport |
# | Technology | |
---|---|---|
#1 | Swimming pools | |
#2 | Unspecified technologies | |
#3 | Chairs and beds | |
#4 | Vehicle seats | |
#5 | Unspecified technologies |
# | 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 |
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 |