Y10T 29/49242
Screw or gear type
Official title: Screw or gear type, e.g., Moineau type
Y10T29/49242 (Screw or gear type) appears on 144 US grants and 101 published applications in this corpus.
Search patents in Y10T- Granted patents
- 144
- Published applications
- 101
- Assignees
- 92
- Inventors
- 258
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 0 |
| 2002 | 2 | 4 |
| 2003 | 6 | 5 |
| 2004 | 1 | 3 |
| 2005 | 3 | 5 |
| 2006 | 2 | 3 |
| 2007 | 4 | 6 |
| 2008 | 3 | 5 |
| 2009 | 2 | 8 |
| 2010 | 3 | 8 |
| 2011 | 7 | 4 |
| 2012 | 6 | 16 |
| 2013 | 6 | 7 |
| 2014 | 8 | 7 |
| 2015 | 9 | 10 |
| 2016 | 5 | 0 |
| 2017 | 5 | 2 |
| 2018 | 4 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 2 | 3 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Undercured stator for mud motor18 Mar 2025US 12,252,969 B2Schlumberger Technology Corporation
- Mud motor rotor with core and shell12 Nov 2024US 12,140,144 B2Schlumberger Technology Corporation
- Mud motor rotor with core and shell24 Oct 2023US 11,795,946 B2Schlumberger Technology Corporation
- Method of forming stators for downhole motors3 May 2022US 11,319,753 B2Baker Hughes, A Ge Company, LLC
- Mud motor stators and pumps and method of making7 Dec 2021US 11,192,211 B2Baker Hughes, A Ge Company, LLC
- Mud motor rotor with core and shell25 Jan 2024US 2024/0026880 A1Schlumberger Technology Corporation
- Mud motor rotor with core and shell9 Sep 2021US 2021/0277719 A1Schlumberger Technology Corporation
- Undercured stator for mud motor24 Jun 2021US 2021/0189848 A1Schlumberger Technology Corporation
- Method of forming stators for downhole motors20 May 2021US 2021/0148171 A1Baker Hughes, A Ge Company, LLC
- Mud motor stators and pumps and method of making9 Apr 2020US 2020/0109708 A1Baker Hughes, A Ge Company, LLC
Most cited
By later US patents
- Internally profiled stator tube64US 6,309,195 B1Halliburton Energy Services.Inc. · 2001
- Methods of making mud motors49US 6,543,132 B1Baker Hughes Incorporated · 2003
- Method of making an efficiency enhanced fluid pump or compressor47US 5,638,600 AFord Motor Company · 1997
- Solid lubricant coating for fluid pump or compressor45US 5,554,020 AFord Motor Company · 1996
- Valve system for capacity control of a screw compressor and method of manufacturing such valves43US 5,556,271 AColtec Industries Inc. · 1996