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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for scraping the interior of a fluid handling...
- Patent number 4,718,480
- Issue date Jan 12, 1988
- Aisin Seiki Kabushiki Kaisha
- Masahiro Kito
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Tube cleaner
- Patent number 4,562,886
- Issue date Jan 7, 1986
- Per T. Holm
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Device for scraping off deposits from internal surfaces of elongate...
- Patent number 4,315,541
- Issue date Feb 16, 1982
- Mitsui Toatsu Chemicals Incorporated
- Sadao Murata
- B08 - CLEANING
Information Patent Grant
3079993
- Patent number 3,079,993
- Issue date Mar 5, 1963
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
1733740
- Patent number 1,733,740
- Issue date Oct 29, 1929
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES