F04C 2230/26
By rolling
Official title: by rolling
F04C2230/26 (By rolling) appears on 9 US grants and 10 published applications in this corpus.
Search patents in F04C- Granted patents
- 9
- Published applications
- 10
- Assignees
- 8
- Inventors
- 25
- Latest grant
- 3 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
By publication year.
Recent patents
- Method of forming stators for downhole motors3 May 2022US 11,319,753 B2Baker Hughes, A Ge Company, LLC
- Method of forming stators for downhole motors16 Feb 2021US 10,920,493 B2Baker Hughes, A Ge Company, LLC
- Method of manufacturing a screw pump without undercut and/or screw pump which can have lubrication channels on at least one of the drive screw and running screws30 Oct 2018US 10,113,545 B2Skf Lubrication Systems Germany GmbH
- Method for producing a pendulum of a pendulum slide cell pump5 Sep 2017US 9,751,163 B2Mahle International GmbH
- Downhole motor seal and method1 Mar 2011US 7,896,628 B2Schlumberger Technology Corporation
- Method of forming stators for downhole motors20 May 2021US 2021/0148171 A1Baker Hughes, A Ge Company, LLC
- Method of forming stators for downhole motors23 Aug 2018US 2018/0238114 A1Baker Hughes Incorporated
- Screw Pump30 Mar 2017US 2017/0089336 A1Skf Lubrication Systems Germany GmbH
- Pump Housing, in Block Form, of a Vehicle Brake System, and Method for Producing the Same24 Mar 2016US 2016/0084261 A1Robert Bosch GmbH
- Method for producing a pendulum of a pendulum slide cell pump12 Nov 2015US 2015/0322943 A1Mahle International GmbH
Most cited
By later US patents
- Internally profiled stator tube64US 6,309,195 B1Halliburton Energy Services.Inc. · 2001
- Method of making an internally profiled stator tube25US 6,568,076 B2Halliburton Energy Services.Inc. · 2003
- Method of forming a rotary device11US 7,621,167 B22009
- Downhole motor seal and method5US 7,896,628 B2Schlumberger Technology Corporation · 2011
- Rotary device for use in an engine3US 7,556,015 B22009