F05C 2251/02
Elasticity
F05C2251/02 (Elasticity) appears on 52 US grants and 59 published applications in this corpus.
Search patents in F05C- Granted patents
- 52
- Published applications
- 59
- Assignees
- 60
- Inventors
- 140
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 3 |
| 2010 | 0 | 2 |
| 2011 | 2 | 3 |
| 2012 | 1 | 1 |
| 2013 | 2 | 4 |
| 2014 | 1 | 5 |
| 2015 | 2 | 3 |
| 2016 | 3 | 1 |
| 2017 | 0 | 4 |
| 2018 | 6 | 5 |
| 2019 | 3 | 4 |
| 2020 | 2 | 3 |
| 2021 | 1 | 3 |
| 2022 | 3 | 3 |
| 2023 | 2 | 1 |
| 2024 | 2 | 3 |
| 2025 | 3 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-locking membrane system11 Nov 2025US 12,467,445 B2ProMinent GmbH
- Stator compound having an azide cured elastomeric base and stators and downhole motors using the same5 Aug 2025US 12,378,371 B2PV Fluid Products, Inc.
- Eccentric screw pump with a pressure chamber between an elastomeric stator portion and a casing4 Feb 2025US 12,215,689 B2Grundfos Holding A/S
- Rotary compressor9 Jul 2024US 12,031,539 B2Fujitsu General Limited
- Compressor device and device equipped with a bearing damper18 Jun 2024US 12,012,960 B2Atlas Copco Airpower, Naamloze Vennootschap
- Pump stator tie-layer with surface roughness20 Aug 2026US 2026/0243253 A1Schlumberger Technology Corporation
- Stator with non-uniform thickness for one-to-two lobe ratio pumps6 Aug 2026US 2026/0226894 A1Schlumberger Technology Corporation
- Stators for Eccentric Screw Pumps, Eccentric Screw Pump and Production Method26 Feb 2026US 2026/0055761 A1NETZSCH Pumpen & Systeme GmbH
- Stator compound having an azide cured elastomeric base and stators and downhole motors using the same2 Oct 2025US 2025/0304752 A1PV Fluid Products, Inc.
- Stator for a Pump and Method for Producing a Stator for a Pump2 Jan 2025US 2025/0003405 A1NETZSCH Pumpen & Systeme GmbH
Most cited
By later US patents
- Corrosion resistant fluid end for well service pumps100US 9,435,333 B2Halliburton Energy Services.Inc. · 2016
- Tidal generator30US 5,426,332 ATidal Electric, Inc. · 1995
- Stator for down hole drilling motor30US 6,905,319 B2Halliburton Energy Services.Inc. · 2005
- Electric power generating system23US 4,001,597 A1977
- Asymmetric contouring of elastomer liner on lobes in a Moineau style power section stator20US 7,083,401 B2Dyna-Drill Technologies, Inc. · 2006