Rotary kilns

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Patents Grantslast 30 patents

Information Patent Grant
Multitubular rotary heat exchanger
- Patent number 11,300,357
- Issue date Apr 12, 2022
- Yoshino Gypsum Co., Ltd.
- Tomonori Yoshida
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Calcined gypsum treatment device and calcined gypsum treatment method
- Patent number 10,974,993
- Issue date Apr 13, 2021
- Yoshino Gypsum Co., Ltd.
- Ken Hayase
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus for stabilizing plaster
- Patent number 7,748,888
- Issue date Jul 6, 2010
- Lafarge Platres
- Joerg Bold
- F26 - DRYING
Information Patent Grant
Method and apparatus for stabilizing plaster
- Patent number 7,371,278
- Issue date May 13, 2008
- Lafarge Platres
- Joerg Bold
- F26 - DRYING
Information Patent Grant
2848209
- Patent number 2,848,209
- Issue date Aug 19, 1958
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
2848210
- Patent number 2,848,210
- Issue date Aug 19, 1958
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES