F16N 21/04
Nozzles for connection of lubricating equipment to nipples
F16N21/04 (Nozzles for connection of lubricating equipment to nipples) appears on 55 US grants and 50 published applications in this corpus.
Search patents in F16N- Granted patents
- 55
- Published applications
- 50
- Assignees
- 43
- Inventors
- 89
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 3 | 5 |
| 2016 | 2 | 2 |
| 2017 | 2 | 3 |
| 2018 | 1 | 6 |
| 2019 | 3 | 4 |
| 2020 | 4 | 5 |
| 2021 | 4 | 3 |
| 2022 | 2 | 2 |
| 2023 | 3 | 2 |
| 2024 | 1 | 4 |
| 2025 | 2 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oil nozzle for bearing chamber10 Mar 2026US 12,571,330 B2Rtx Corporation
- Stemmed orifice component10 Feb 2026US 12,546,309 B2SPM Oil & Gas Inc.
- Nozzle3 Feb 2026US 12,540,706 B2Performance Fluids Ltd
- Conduit lubricating device21 Oct 2025US 12,449,092 B2Bostedt Enterprises LLC.
- Lubricant delivery system and method25 Mar 2025US 12,258,889 B2Unist, Inc.
- Stemmed orifice component25 Dec 2025US 2025/0389270 A1SPM Oil & Gas Inc.
- Conduit lubricating device28 Nov 2024US 2024/0392918 A1Bostedt Enterprises LLC.
- Nozzle25 Jul 2024US 2024/0247754 A1Performance Fluids Ltd
- Oil nozzle for bearing chamber2 May 2024US 2024/0141803 A1Rtx Corporation
- Lubricant delivery system and method11 Apr 2024US 2024/0117760 A1Unist, Inc.
Most cited
By later US patents
- Latch integral with latched apparatus48US 4,639,249 A1987
- Methods and systems for performing, monitoring and analyzing multiple machine fluid processes26US 7,793,681 B2Rpm Industries, LLC · 2010
- Methods and systems for performing, monitoring and analyzing multiple machine fluid processes24US 7,150,286 B2Rpm Industries, LLC · 2006
- Combined fill and relief valve21US 6,079,519 ADeere & Company · 2000
- Coupler for grease guns15US 4,195,812 AThexton Manufacturing Company · 1980