F16L 55/1157
Using hooks, pawls, or other movable or insertable locking members
Official title: {using hooks, pawls, or other movable or insertable locking members}
F16L55/1157 (Using hooks, pawls, or other movable or insertable locking members) appears on 95 US grants and 100 published applications in this corpus.
Search patents in F16L- Granted patents
- 95
- Published applications
- 100
- Assignees
- 64
- Inventors
- 178
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 7 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 3 | 1 |
| 2010 | 2 | 2 |
| 2011 | 0 | 7 |
| 2012 | 3 | 6 |
| 2013 | 5 | 1 |
| 2014 | 2 | 5 |
| 2015 | 2 | 6 |
| 2016 | 3 | 7 |
| 2017 | 8 | 1 |
| 2018 | 3 | 8 |
| 2019 | 2 | 2 |
| 2020 | 6 | 6 |
| 2021 | 5 | 7 |
| 2022 | 3 | 3 |
| 2023 | 3 | 10 |
| 2024 | 5 | 7 |
| 2025 | 11 | 2 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrant nozzle cap adapter18 Aug 2026US 12,709,879 B2Mueller International, LLC
- Tubular connector11 Aug 2026US D1,141,083 S1Reliance Worldwide Corporation · Design
- Sealing device10 Mar 2026US 12,571,697 B2Lake Products Limited
- Device and method for assembling components of a plumbing fitting17 Feb 2026US 12,553,555 B2Reliance Worldwide Corporation
- System and method for suction anchor deployment with solid lid30 Dec 2025US 12,509,839 B2Oceaneering International, Inc.
- Camlock cap9 Jul 2026US 2026/0194174 A1Little Stinker Septic Services
- Device and method for assembling components of a plumbing fitting7 May 2026US 2026/0126142 A1Reliance Worldwide Corporation
- Pipe fitting for a fluid collection workstation7 May 2026US 2026/0126145 A1Getty Box Pro LLC
- Compression fitting15 Jan 2026US 2026/0018807 A1Mueller International, LLC
- Sewer cleanout cap8 Jan 2026US 2026/0009216 A1BGA Technology LLC
Most cited
By later US patents
- High-security fill cap for underground storage tanks39US 4,351,446 APomeco Corporation · 1982
- Mono and multi-layer articles and injection molding methods of making the same37US 7,588,808 B2Advanced Plastics Technologies Luxembourg S.A. · 2009
- Dual use coupling end for pipes and fittings26US 9,976,677 B2Ultraflo Corporation · 2018
- Pipe closure apparatus24US 4,077,250 A1978
- Attachments for flexible or rigid tubing20US 4,317,471 A1982