F16L 55/045
Specially adapted to prevent or minimise the effects of water hammer
Official title: specially adapted to prevent or minimise the effects of water hammer
F16L55/045 (Specially adapted to prevent or minimise the effects of water hammer) appears on 527 US grants and 378 published applications in this corpus.
Search patents in F16L- Granted patents
- 527
- Published applications
- 378
- Assignees
- 322
- Inventors
- 965
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 11 | 0 |
| 1978 | 10 | 0 |
| 1979 | 9 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 10 | 0 |
| 1987 | 11 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 16 | 0 |
| 1999 | 9 | 0 |
| 2000 | 11 | 0 |
| 2001 | 8 | 1 |
| 2002 | 10 | 8 |
| 2003 | 7 | 8 |
| 2004 | 5 | 13 |
| 2005 | 8 | 12 |
| 2006 | 11 | 4 |
| 2007 | 5 | 7 |
| 2008 | 3 | 14 |
| 2009 | 7 | 7 |
| 2010 | 13 | 9 |
| 2011 | 8 | 9 |
| 2012 | 4 | 9 |
| 2013 | 8 | 14 |
| 2014 | 7 | 16 |
| 2015 | 13 | 17 |
| 2016 | 15 | 17 |
| 2017 | 19 | 24 |
| 2018 | 16 | 41 |
| 2019 | 27 | 28 |
| 2020 | 27 | 30 |
| 2021 | 29 | 19 |
| 2022 | 24 | 20 |
| 2023 | 18 | 20 |
| 2024 | 15 | 16 |
| 2025 | 15 | 8 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pressure loss generating device and use of the pressure loss generating device9 Jun 2026US 12,650,139 B2Glatt Ingenieurtechnik GmbH
- Passive surge water hammer protection system28 Apr 2026US 12,612,991 B2
- Pressure regulator assembly for a coolant distribution unit10 Feb 2026US 12,547,193 B2Hewlett Packard Enterprise Development LP
- Bladder surge suppressor13 Jan 2026US 12,523,330 B2Young Engineering & Manufacturing, Inc.
- Adjustable flow-synchronization return valve for hydraulic pressure balancing19 Aug 2025US 12,392,414 B1Aquastar Pool Products, Inc.
- Bladder surge suppressor1 Oct 2026US 2026/0298389 A1Young Engineering & Manufacturing, Inc.
- Device used to control damaging hydraulic pulsations in manifolded multi pump systems used in hydraulic fracturing10 Sep 2026US 2026/0266167 A1
- Lithographic apparatus thermal conditioning system and method16 Jul 2026US 2026/0202767 A1ASML Netherlands B. V.
- Pressure Diffuser for Use with a Fluid System9 Jul 2026US 2026/0194077 A1The Boeing Company
- Device4 Jun 2026US 2026/0153102 A1Hydac Technology GmbH
Most cited
By later US patents
- Distributed accumulator81US 4,651,781 ANorthrop Corporation · 1987
- Water hammer shock absorber63US 4,186,775 ATozen Sangyo Co., Ltd. · 1980
- Well pressure tank59US 6,328,071 B12001
- Adaptive hydropneumatic pulsation damper52US 5,797,430 AMercedes-Benz AG · 1998
- Expansion tank diaphragm assembly50US 3,931,834 AThe Goodyear Tire & Rubber Company · 1976