F16C 3/04
Crankshafts, eccentric-shafts
Official title: Crankshafts, eccentric-shafts; Cranks, eccentrics
F16C3/04 (Crankshafts, eccentric-shafts) appears on 736 US grants and 682 published applications in this corpus.
Search patents in F16C- Granted patents
- 736
- Published applications
- 682
- Assignees
- 402
- Inventors
- 1,542
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 1 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 14 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 13 | 0 |
| 1993 | 16 | 0 |
| 1994 | 10 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 20 | 2 |
| 2002 | 14 | 7 |
| 2003 | 3 | 12 |
| 2004 | 19 | 15 |
| 2005 | 7 | 16 |
| 2006 | 9 | 9 |
| 2007 | 8 | 25 |
| 2008 | 8 | 17 |
| 2009 | 7 | 19 |
| 2010 | 6 | 30 |
| 2011 | 7 | 12 |
| 2012 | 19 | 24 |
| 2013 | 9 | 27 |
| 2014 | 31 | 33 |
| 2015 | 31 | 42 |
| 2016 | 27 | 43 |
| 2017 | 32 | 73 |
| 2018 | 56 | 57 |
| 2019 | 61 | 40 |
| 2020 | 38 | 52 |
| 2021 | 28 | 32 |
| 2022 | 31 | 20 |
| 2023 | 24 | 33 |
| 2024 | 27 | 17 |
| 2025 | 19 | 13 |
| 2026 | 13 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Crankshaft and connecting rod assemblies for hydraulic fracturing pumps29 Sep 2026US 12,747,728 B2BJ Energy Solutions, LLC
- Engine crankshaft assemblies with gear interfaces29 Sep 2026US 12,747,751 B2GM Global Technology Operations LLC
- Drive transmission device and construction machine25 Aug 2026US 12,716,471 B2Nabtesco Corporation
- Crankshaft nose end design18 Aug 2026US 12,710,073 B2GM Global Technology Operations LLC
- Axle assembly16 Jun 2026US 12,654,492 B2ArvinMeritor Technology, LLC
- Sliding components17 Sep 2026US 2026/0276035 A1Eagle Industry Co., Ltd.
- Adjustable Stroke Device With Cam10 Sep 2026US 2026/0266360 A1Lake Country Tool, LLC
- Power generation device3 Sep 2026US 2026/0261183 A1TET ENERGY GmbH
- Power generating device27 Aug 2026US 2026/0254314 A1TET ENERGY GmbH
- Modular Pump and Pump Modules for Modular Pumps16 Jul 2026US 2026/0201874 A1Oxus America, Inc.
Most cited
By later US patents
- Method for producing a hollow composite members115US 5,664,327 AEmitec Gesellschaft fur Emissionstechnologie GmbH · 1997
- Method and apparatus for aligning crankshaft sections82US 6,363,609 B1Short Block Technologies, Inc. · 2002
- Device for the reciprocating linear drive of a part76US 4,642,839 A1987
- Tooling for deep rolling fillets of crankshaft journals40US 6,393,885 B1Hegenscheidt-MFD GmbH & Co. KG · 2002
- Assembled crankshaft35US 5,207,120 AGeneral Motors Corporation · 1993