F01C 17/02
Arrangements for drive of co-operating members: of toothed-gearing type
Official title: of toothed-gearing type (F01C1/077 takes precedence)
F01C17/02 (Arrangements for drive of co-operating members: of toothed-gearing type) appears on 92 US grants and 82 published applications in this corpus.
Search patents in F01C- Granted patents
- 92
- Published applications
- 82
- Assignees
- 53
- Inventors
- 174
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 8 |
| 2007 | 4 | 2 |
| 2008 | 2 | 5 |
| 2009 | 1 | 2 |
| 2010 | 2 | 9 |
| 2011 | 1 | 5 |
| 2012 | 2 | 3 |
| 2013 | 4 | 9 |
| 2014 | 3 | 6 |
| 2015 | 7 | 4 |
| 2016 | 9 | 3 |
| 2017 | 4 | 1 |
| 2018 | 2 | 4 |
| 2019 | 2 | 3 |
| 2020 | 2 | 5 |
| 2021 | 1 | 1 |
| 2022 | 3 | 2 |
| 2023 | 5 | 2 |
| 2024 | 4 | 2 |
| 2025 | 2 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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- Fluid machine11 Jun 2026US 2026/0160167 A1
- Positive-displacement fluid machine with constrained gearset7 May 2026US 2026/0126043 A1Roper Pump Company
- High-efficiency sine rotary engine20 Feb 2025US 2025/0059891 A1
- A rotary positive displacement pump with a guard15 Feb 2024US 2024/0052831 A1Alfa Laval Corporate AB
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Most cited
By later US patents
- Synchronizing and unloading system for scroll fluid device45US 4,927,340 AArthur D. Little, Inc. · 1990
- Axial flow apparatus with rotating helical chamber and spindle members27US 4,482,305 AOrszagos Koolaj es Gazipari Troszt · 1984
- Scroll fluid device using flexible toothed ring synchronizer22US 4,911,621 AArthur D. Little, Inc. · 1990
- Power-converting device21US 4,061,445 A1977
- Gerotor apparatus for a quasi-isothermal Brayton cycle engine16US 8,821,138 B2The Texas A&M University System · 2014