Hiroyuki BEKKI

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Osaka-shi, Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gate valve
- Patent number 11,655,901
- Issue date May 23, 2023
- Waterworks Technology Development Organization Co., Ltd.
- Hiroyuki Bekki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Coated expandable-contractible flexible pipe
- Patent number 10,161,555
- Issue date Dec 25, 2018
- Waterworks Technology Development Organization Co., Ltd.
- Hiroyuki Bekki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Separation prevention device for pipe joint
- Patent number 8,444,187
- Issue date May 21, 2013
- Waterworks Technology Development Organization Co., Ltd.
- Hiroyuki Bekki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Separation prevention device for pipe joint
- Patent number 8,308,202
- Issue date Nov 13, 2012
- Waterworks Technology Development Organization Co., Ltd.
- Hiroyuki Bekki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Flexible pipe joint
- Patent number 6,883,550
- Issue date Apr 26, 2005
- Waterworks Technology Development
- Hiroyuki Bekki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
GATE VALVE
- Publication number 20220205546
- Publication date Jun 30, 2022
- WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO., LTD.
- Hiroyuki BEKKI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
COATED EXPANDABLE-CONTRACTIBLE FLEXIBLE PIPE
- Publication number 20170138527
- Publication date May 18, 2017
- WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO., LTD.
- Hiroyuki BEKKI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SEPARATION PREVENTION DEVICE FOR PIPE JOINT
- Publication number 20120267889
- Publication date Oct 25, 2012
- Waterworks Technology Development Organization Co., Ltd.
- Hiroyuki BEKKI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SEPARATION PREVENTION DEVICE FOR PIPE JOINT
- Publication number 20100164224
- Publication date Jul 1, 2010
- WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO. LTD
- Hiroyuki Bekki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Flexible pipe joint
- Publication number 20040040606
- Publication date Mar 4, 2004
- WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO., LTD.
- Hiroyuki Bekki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...