F16D 3/841
Open covers
Official title: {Open covers, e.g. guards for agricultural p.t.o. shafts}
F16D3/841 (Open covers) appears on 98 US grants and 64 published applications in this corpus.
Search patents in F16D- Granted patents
- 98
- Published applications
- 64
- Assignees
- 47
- Inventors
- 143
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 2 |
| 2005 | 2 | 2 |
| 2006 | 2 | 3 |
| 2007 | 2 | 4 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 3 |
| 2016 | 4 | 3 |
| 2017 | 1 | 4 |
| 2018 | 3 | 1 |
| 2019 | 1 | 1 |
| 2020 | 2 | 10 |
| 2021 | 3 | 2 |
| 2022 | 4 | 9 |
| 2023 | 4 | 2 |
| 2024 | 5 | 6 |
| 2025 | 6 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems for laser alignment22 Sep 2026US 12,742,479 B2GE Precision Healthcare LLC
- Work vehicle with flexible power take-off shield30 Jun 2026US 12,669,151 B2CNH Industrial America LLC
- Universal joint shaft31 Mar 2026US 12,588,579 B2Walterscheid GmbH
- Drive axle assembly5 Aug 2025US 12,379,001 B2Hyundai Motor Company
- Rubber outboard deflector ring1 Jul 2025US 12,345,301 B2Steering Solutions IP Holding Corporation
- Universal joint with oil-bath clutch torque limiter and drive shaft comprising said joint23 Jul 2026US 2026/0210410 A1Bondioli & Pavesi S.P.A.
- Cover for a universal joint of a driveshaft3 Jul 2025US 2025/0215935 A1
- Cover for a universal joint of a driveshaft1 Aug 2024US 2024/0255032 A1
- Cover for a universal joint of a driveshaft1 Aug 2024US 2024/0255033 A1
- Rubber outboard deflector ring25 Jul 2024US 2024/0247688 A1Steering Solutions IP Holding Corporation
Most cited
By later US patents
- CV joint protector for ATV49US 6,692,366 B12004
- Torque transmitting coupling37US 4,289,414 A1981
- Bearing ring for drive assembly having wide angle joint and protective funnel20US 4,655,614 AJean Walterscheid GmbH · 1987
- Universal joint guard15US 4,605,332 AWeasler Engineering, Inc. · 1986
- Protector for universal joints15US 4,747,804 ABenzi & Di Terlizzi s.n.c. · 1988