F16F 15/26
Of crankshaft systems using solid masses, other than the ordinary pistons, moving
Official title: of crankshaft systems using solid masses, other than the ordinary pistons, moving with the system {, i.e. masses connected through a kinematic mechanism or gear system (F16F15/226 takes precedence)}
F16F15/26 (Of crankshaft systems using solid masses, other than the ordinary pistons, moving) appears on 481 US grants and 355 published applications in this corpus.
Search patents in F16F- Granted patents
- 481
- Published applications
- 355
- Assignees
- 189
- Inventors
- 866
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 10 | 0 |
| 1987 | 13 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 16 | 4 |
| 2002 | 14 | 4 |
| 2003 | 7 | 10 |
| 2004 | 10 | 16 |
| 2005 | 18 | 9 |
| 2006 | 14 | 13 |
| 2007 | 8 | 13 |
| 2008 | 9 | 13 |
| 2009 | 11 | 26 |
| 2010 | 8 | 17 |
| 2011 | 11 | 20 |
| 2012 | 21 | 20 |
| 2013 | 23 | 26 |
| 2014 | 29 | 18 |
| 2015 | 12 | 17 |
| 2016 | 12 | 19 |
| 2017 | 12 | 24 |
| 2018 | 22 | 17 |
| 2019 | 19 | 23 |
| 2020 | 16 | 17 |
| 2021 | 18 | 12 |
| 2022 | 12 | 8 |
| 2023 | 3 | 4 |
| 2024 | 8 | 1 |
| 2025 | 2 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Counterbalancer assemblies for engines15 Sep 2026US 12,736,106 B1Brunswick Corporation
- Balancer device for internal combustion engine25 Aug 2026US 12,716,467 B2Hitachi Astemo, Ltd.
- Oil pan for internal combustion engine3 Mar 2026US 12,565,852 B2Arctic Cat Inc.
- Balancer device for internal combustion engine and balancer device with oil pump30 Dec 2025US 12,510,007 B2Hitachi Astemo, Ltd.
- Power unit1 Apr 2025US 12,264,618 B2Obrist Technologies GmbH
- Oil pan for internal combustion engine9 Jul 2026US 2026/0194004 A1Arctic Cat Inc.
- Gravity compensation device4 Dec 2025US 2025/0369499 A1Precitrame Machines SA
- Balancer device for internal combustion engine4 Dec 2025US 2025/0369500 A1Hitachi Astemo, Ltd.
- Balancer device for internal combustion engine and balancer device with oil pump30 Jan 2025US 2025/0035017 A1Hitachi Astemo, Ltd.
- Method for producing a pre-assembled subassembly12 Sep 2024US 2024/0301938 A1Herzog Intertec GmbH
Most cited
By later US patents
- Pivoting balancer system45US 4,819,593 ABriggs & Stratton Corporation · 1989
- Anti-rattle engine balancer which drives associated oil pump43US 5,535,643 AGeneral Motors Corporation · 1996
- Automatic shaft balancer39US 4,075,909 A1978
- Piston engine assembly37US 6,397,794 B1R. Sanderson Management, Inc. · 2002
- Helicopter vibration control system and rotary force generator for canceling vibrations37US 7,448,854 B2Lord Corporation · 2008