F04C 15/0015
Of resilient material
Official title: {of resilient material}
F04C15/0015 (Of resilient material) appears on 39 US grants and 53 published applications in this corpus.
Search patents in F04C- Granted patents
- 39
- Published applications
- 53
- Assignees
- 35
- Inventors
- 89
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 3 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 5 |
| 2015 | 2 | 4 |
| 2016 | 0 | 6 |
| 2017 | 4 | 5 |
| 2018 | 4 | 8 |
| 2019 | 7 | 3 |
| 2020 | 4 | 2 |
| 2021 | 5 | 3 |
| 2022 | 0 | 3 |
| 2023 | 4 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Pump with longitudinal flow channels12 Aug 2025US 12,385,482 B2PSG Germany GmbH
- Flexible impeller pump for flowable food product3 Jun 2025US 12,320,351 B2
- Helical trochoidal rotary machines with improved solids handling19 Nov 2024US 12,146,492 B2Rotoliptic Technologies Incorporated
- Flexible impeller pump for flowable food product26 Dec 2023US 11,852,138 B2Server Products, Inc.
- Cartridge vane pump and pump device including same3 Oct 2023US 11,773,848 B2KYB Corporation
- Pumps13 Nov 2025US 2025/0347277 A1PSG Germany GmbH
- Pumps18 Jul 2024US 2024/0240636 A1Quantex Patents Limited
- Flexible impeller pump for flowable food product14 Sep 2023US 2023/0287885 A1
- Helical Trochoidal Rotary Machines with Improved Solids Handling14 Jul 2022US 2022/0220958 A1Rotoliptic Technologies Incorporated
- Flexible impeller pump for flowable food product12 May 2022US 2022/0145880 A1Server Products, Inc.
Most cited
By later US patents
- Pump with conveying chamber formed in outer rotor surface55US 7,674,100 B2PDD Innovations Ltd. · 2010
- Pump having a housing and a rotor capable of rotating in the housing7US 9,581,157 B2Quantex Patents Limited · 2017
- Rotary lobe pump with wiper blades6US 9,062,675 B22015
- Pump arrangements for pumping fluid5US 10,495,085 B2Quantex Patents Limited · 2019
- Pump and its manufacturing method5US 9,638,204 B2Quantex Patents Limited · 2017