Number | Name | Date | Kind |
---|---|---|---|
1571022 | Obert | Jan 1926 | A |
4180097 | Sjoberg | Dec 1979 | A |
D546921 | Kobayashi | Jul 2007 | S |
D631945 | Shorey | Feb 2011 | S |
D648000 | Shimura | Nov 2011 | S |
D648418 | Kobayashi | Nov 2011 | S |
D648419 | Shimura | Nov 2011 | S |
D649222 | Kobayashi | Nov 2011 | S |
D683816 | Kobayashi | Jun 2013 | S |
D683818 | Kobayashi | Jun 2013 | S |
D683819 | Watanabe | Jun 2013 | S |
D683820 | Watanabe | Jun 2013 | S |
D693430 | Kaneko | Nov 2013 | S |
D694362 | Kaneko | Nov 2013 | S |
D701292 | Kaneko | Mar 2014 | S |
D706393 | Kaneko | Jun 2014 | S |
D712010 | Okutsu | Aug 2014 | S |
D720045 | Landi | Dec 2014 | S |
D754817 | Dille | Apr 2016 | S |
D754818 | Watanabe | Apr 2016 | S |
D764027 | Yin | Aug 2016 | S |
D782009 | Watanabe | Mar 2017 | S |
D794163 | Jones | Aug 2017 | S |
D796632 | Bayyouk | Sep 2017 | S |
D799640 | Satake | Oct 2017 | S |
D840504 | Bayyouk | Feb 2019 | S |
20150144826 | Bayyouk et al. | May 2015 | A1 |
20170002947 | Bayyouk | Jan 2017 | A1 |
Entry |
---|
Weir, “Novatech Well Service Valves & Seats”, Mar. 6, 2019. https://www.global.weir/products/product-catalogue/novatech-full-open-well-service-valves-and-seats/. Shown on p. 1. (Year: 2019). |
Number | Date | Country | |
---|---|---|---|
Parent | 29616080 | Sep 2017 | US |
Child | 29674542 | US | |
Parent | 29556055 | Feb 2016 | US |
Child | 29616080 | US | |
Parent | 29674542 | US | |
Child | 29616080 | US | |
Parent | 15200913 | Jul 2016 | US |
Child | 29674542 | US |
Number | Date | Country | |
---|---|---|---|
Parent | 29556055 | Feb 2016 | US |
Child | 15200913 | US |