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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Brick body for rotary nozzle
Patent number
7,322,496
Issue date
Jan 29, 2008
JFE Refractories Corporation
Tomohiro Yotabunn
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Apparatus for controlling amount of teeming molten metal and slide...
Patent number
6,382,477
Issue date
May 7, 2002
Tokyo Yogyo Kabushiki Kaisha
Hironori Yamamoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Filler sand for a ladle tap hole valve
Patent number
6,316,106
Issue date
Nov 13, 2001
NKK Corporation
Hideto Takasugi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Sliding nozzle filler
Patent number
6,051,514
Issue date
Apr 18, 2000
Yamakawa Sangyo Co., Ltd.
Jun Ayama
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Brick body for rotary nozzle and rotary nozzle using same
Patent number
6,026,996
Issue date
Feb 22, 2000
NKK Corporation
Yuji Hayakawa
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Flow rate adjusting for rotary nozzle type molten metal pouring unit
Patent number
5,709,807
Issue date
Jan 20, 1998
NKK Corporation
Tetsuya Yoshihara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Flow rate adjusting plate for a rotary nozzle type molten metal pou...
Patent number
D386568
Issue date
Nov 18, 1997
NKK Corportion
Tetsuya Yoshihara
D23 - Environmental heating and cooling
Information
Patent Grant
Flow rate adjusting plate for a rotary nozzle type molten metal pou...
Patent number
D371825
Issue date
Jul 16, 1996
NKK Corporation
Tetsuya Yoshihara
D23 - Environmental heating and cooling
Information
Patent Grant
Rotary nozzle
Patent number
5,249,717
Issue date
Oct 5, 1993
Nippon Rotary Nozzle Co., Ltd.
Hisao Inubushi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rotary nozzle on a molten steel vessel
Patent number
4,998,650
Issue date
Mar 12, 1991
Nippon Rotary Nozzle Co., Ltd.
Noboru Yamazaki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Door-type rotary nozzle
Patent number
4,991,753
Issue date
Feb 12, 1991
NKK Corporation
Hisao Inubushi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rotary nozzles
Patent number
4,978,040
Issue date
Dec 18, 1990
NKK Corporation
Hisao Inubushi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rotary nozzle system
Patent number
4,732,304
Issue date
Mar 22, 1988
Nippon Kokan Kabushiki Kaisha
Tetsuya Yoshihara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rotary nozzle system for metallurgical vessels
Patent number
4,591,080
Issue date
May 27, 1986
Nippon Kokan Kabushiki Kaisha
Tetsuya Yoshihara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Hinged rotary nozzle
Patent number
4,577,785
Issue date
Mar 25, 1986
Nippon Kokan Kabushiki Kaisha
Senzo Wakabayashi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Dual door type rotary nozzle
Patent number
4,498,611
Issue date
Feb 12, 1985
Nippon Kokan Kabushiki Kaisha
Tetsuya Yoshihara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Slide closure for the pouring nozzle of a molten metal vessel
Patent number
4,294,437
Issue date
Oct 13, 1981
Nippon Kokan Kabushiki Kaisha
Hajimu Sawada
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73372364 - ROTARY NOZZLE
Serial number
73372364
Registration number
1283040
Filing date
Jun 30, 1982
Nippon Rotary Nozzle Co., Ltd.
7 - Machines and machine tools