Waterworks Technology Development Organization Co., Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Waterworks Technology Development Organization Co., Ltd..The latest application filed is for "gate valve".
Company Profile
6.40.21
- Waterworks Technology Development Organization Co., Ltd. - Osaka JP
- WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO., LTD. - Osaka-shi JP
- Waterworks Technology Development Organization Co., Ltd. - Osaka-shi, Osaka JP
- WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO., LTD - Osaka JP
- WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO. LTD - Osaka-shi Osaka JP
- Waterworks Technology Development Organization Co., Ltd. - Oskaa JP
- Waterworks Technology Development Organization Co., Ltd. - JP JP
- WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO., LTD. -
- WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO., LTD. - 1-3-2700, Umeda 1-chome, Kita-ku Osaka JP
Patent Activity
| Patent | Date |
|---|---|
| Hermetically sealing device and hermetically sealing method Grant 11,421,811 - Horikawa , et al. August 23, 2 | 2022-08-23 |
| Gate Valve App 20220205546 - BEKKI; Hiroyuki | 2022-06-30 |
| Disengagement Prevention Structure for Pipe Connecting Portion App 20220205568 - Mori; Mitsuhiro ; et al. | 2022-06-30 |
| Valve removal method of fluid pipeline structure, fluid pipeline structure, and valve device Grant 11,287,058 - Horikawa , et al. March 29, 2 | 2022-03-29 |
| Gate valve Grant 11,248,732 - Horikawa , et al. February 15, 2 | 2022-02-15 |
| Gate Valve App 20210222816 - HORIKAWA; Gou ; et al. | 2021-07-22 |
| Housing Device And Method For Mounting Housing Device App 20210123553 - Kuwagaki; Daisuke | 2021-04-29 |
| Valve device Grant 10,989,313 - Nagamori April 27, 2 | 2021-04-27 |
| Valve Removal Method of Fluid Pipeline Structure, Fluid Pipeline Structure, and Valve Device App 20200386346 - Horikawa; Go ; et al. | 2020-12-10 |
| Pipe Joint And Method Of Assembling Pipe Joint App 20200278061 - SAKAI; Daisuke | 2020-09-03 |
| Corrosion prevention apparatus and corrosion prevention method for cut faces of pipes Grant 10,612,688 - Kuwagaki | 2020-04-07 |
| Hermetically Sealing Device And Hermetically Sealing Method App 20200011470 - Horikawa; Gou ; et al. | 2020-01-09 |
| Valve Device App 20190257433 - Nagamori; Yasuyuki | 2019-08-22 |
| Coated expandable-contractible flexible pipe Grant 10,161,555 - Bekki , et al. Dec | 2018-12-25 |
| Extending/contracting flexible pipe and method for assembling extending/contracting flexible pipe Grant 10,151,410 - Fujita Dec | 2018-12-11 |
| Extendable and contractible flexible joint Grant 10,088,085 - Saito , et al. October 2, 2 | 2018-10-02 |
| Corrosion Prevention Apparatus And Corrosion Prevention Method For Cut Faces Of Pipes App 20180119846 - Kuwagaki; Daisuke | 2018-05-03 |
| Pipe joint, packing ring, and method for mounting pipe joint Grant 9,890,883 - Maenishi , et al. February 13, 2 | 2018-02-13 |
| Coated Expandable-contractible Flexible Pipe App 20170138527 - BEKKI; Hiroyuki ; et al. | 2017-05-18 |
| Device for blocking a flow passage using an inflatable bag Grant 9,638,347 - Yamamoto May 2, 2 | 2017-05-02 |
| Device for Blocking Flow Passage Without Interrupting Flow App 20160265680 - Yamamoto; Daisuke | 2016-09-15 |
| Extending/contracting Flexible Pipe And Method For Assembling Extending/contracting Flexible Pipe App 20160178100 - FUJITA; Yasushi | 2016-06-23 |
| Extendable and Contractible Flexible Joint App 20150338003 - Saito; Kikuo ; et al. | 2015-11-26 |
| Sluice valve for operations Grant 9,004,090 - Asai April 14, 2 | 2015-04-14 |
| Separation prevention device for pipe joint Grant 8,444,187 - Bekki May 21, 2 | 2013-05-21 |
| Pipe Joint, Packing Ring, And Method For Mounting Pipe Joint App 20130076027 - Maenishi; Tamotsu ; et al. | 2013-03-28 |
| Separation prevention device for pipe joint Grant 8,308,202 - Bekki November 13, 2 | 2012-11-13 |
| Separation Prevention Device For Pipe Joint App 20120267889 - BEKKI; Hiroyuki | 2012-10-25 |
| Sluice Valve for Operations App 20120192962 - Asai; Hisakazu | 2012-08-02 |
| Method of shutting off conduit and pipe conduit shutoff apparatus Grant 8,186,648 - Sakai , et al. May 29, 2 | 2012-05-29 |
| Separation Prevention Device For Pipe Joint App 20100164224 - Bekki; Hiroyuki | 2010-07-01 |
| Pipeline closing apparatus Grant 7,717,136 - Sakai May 18, 2 | 2010-05-18 |
| Method of Shutting Off Conduit and Pipe Conduit Shutoff Apparatus App 20090166573 - Sakai; Atsushi ; et al. | 2009-07-02 |
| Pipe joint Grant 7,354,073 - Sakamoto April 8, 2 | 2008-04-08 |
| Supporting device for non-averaged force Grant 7,328,874 - Tenma , et al. February 12, 2 | 2008-02-12 |
| Sluicing valve device Grant 7,073,776 - Mori July 11, 2 | 2006-07-11 |
| Gate valve apparatus Grant 6,893,001 - Maenishi May 17, 2 | 2005-05-17 |
| Spacer-less type pipe joint and packing ring used for the same Grant 6,773,040 - Saito , et al. August 10, 2 | 2004-08-10 |
| Branch pipe joint Grant D489,434 - Horikawa May 4, 2 | 2004-05-04 |
| Flexible pipe joint App 20040040606 - Bekki, Hiroyuki ; et al. | 2004-03-04 |
| Flexible fluid-transport pipe joint apparatus Grant 6,659,511 - Yoneyama , et al. December 9, 2 | 2003-12-09 |
| Branch pipe joint Grant D481,108 - Horikawa October 21, 2 | 2003-10-21 |
| Joint fluid transport pipe App 20020189692 - Sato, Taichi ; et al. | 2002-12-19 |
| Reinforcement fitting Grant 6,467,813 - Takemura , et al. October 22, 2 | 2002-10-22 |
| Flexible joint Grant D453,816 - Sato , et al. February 19, 2 | 2002-02-19 |
| Flexible joint Grant D453,552 - Sato , et al. February 12, 2 | 2002-02-12 |
| Tube joint Grant 6,203,073 - Sato , et al. March 20, 2 | 2001-03-20 |
| Fixing construction for pipe joint Grant 6,131,957 - Saito , et al. October 17, 2 | 2000-10-17 |
| Flexible joint Grant D424,918 - Sato , et al. May 16, 2 | 2000-05-16 |
| Flexible joint Grant D424,916 - Sato , et al. May 16, 2 | 2000-05-16 |
| Method of connecting branch pipe Grant 5,967,168 - Kitani , et al. October 19, 1 | 1999-10-19 |
| Connecting construction of branch pipe and connecting method thereof Grant 5,924,436 - Kitani , et al. July 20, 1 | 1999-07-20 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 