F16G 13/20
Stiff
Official title: stiff; Push-pull chains
F16G13/20 (Stiff) appears on 131 US grants and 137 published applications in this corpus.
Search patents in F16G- Granted patents
- 131
- Published applications
- 137
- Assignees
- 93
- Inventors
- 252
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 5 |
| 2005 | 1 | 1 |
| 2006 | 0 | 6 |
| 2007 | 2 | 2 |
| 2008 | 0 | 2 |
| 2009 | 3 | 10 |
| 2010 | 4 | 7 |
| 2011 | 7 | 10 |
| 2012 | 4 | 3 |
| 2013 | 5 | 7 |
| 2014 | 5 | 7 |
| 2015 | 6 | 3 |
| 2016 | 7 | 4 |
| 2017 | 4 | 10 |
| 2018 | 8 | 11 |
| 2019 | 5 | 12 |
| 2020 | 7 | 8 |
| 2021 | 6 | 11 |
| 2022 | 9 | 2 |
| 2023 | 5 | 4 |
| 2024 | 10 | 6 |
| 2025 | 2 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Display device including chain units and driving sprockets31 Mar 2026US 12,590,669 B2LG Display Co., Ltd.
- Storage system and a method of operating the storage system29 Jul 2025US 12,371,258 B2O.W. Machinebouw B.V.
- Extendable compression chain system and method of using the same21 Jan 2025US 12,202,601 B2The Boeing Company
- Mating chain and movable body transfer device26 Nov 2024US 12,152,655 B2Tsubakimoto Chain Co.
- Ringlike fabric belt traction chain and manufacturing method thereof19 Nov 2024US 12,146,549 B2Shanghai Jinli Special Rope Co., Ltd.
- Chain drive device and door opening and closing mechanism24 Sep 2026US 2026/0286760 A1Tsubakimoto Chain Co.
- Interlocking chain27 Aug 2026US 2026/0251201 A1Tsubakimoto Chain Co.
- Movable body moving device6 Aug 2026US 2026/0226961 A1Tsubakimoto Chain Co.
- Tray product pusher-puller device for a vending machine and vending machine22 Jan 2026US 2026/0024398 A1Jofemar, S. A.
- Picking or placing assembly, fork, and robot28 Aug 2025US 2025/0270080 A1Hai Robotics Co., Ltd.
Most cited
By later US patents
- Gear for converting a rotary into a translational motion267US 4,819,495 AHormann KG Antriebs- und Steuerungstechnik · 1989
- Column for lifting loads76US 6,224,037 B1Serapid France · 2001
- Device for pushing and pulling an accessory instrument of manufacturing plant71US 4,830,337 AAioi Seiki Kabushiki Kaisha · 1989
- Chain operator for a window44US 4,521,993 ATruth Incorporated · 1985
- Telescoping mast assembly43US 5,168,679 AThe Will-Burt Company · 1992