F15B 1/165
In the form of a bladder
Official title: {in the form of a bladder}
F15B1/165 (In the form of a bladder) appears on 48 US grants and 54 published applications in this corpus.
Search patents in F15B- Granted patents
- 48
- Published applications
- 54
- Assignees
- 35
- Inventors
- 106
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 2 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 4 |
| 2013 | 0 | 2 |
| 2014 | 1 | 5 |
| 2015 | 3 | 2 |
| 2016 | 5 | 2 |
| 2017 | 4 | 0 |
| 2018 | 2 | 5 |
| 2019 | 1 | 4 |
| 2020 | 4 | 3 |
| 2021 | 1 | 2 |
| 2022 | 2 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bladder surge suppressor13 Jan 2026US 12,523,330 B2Young Engineering & Manufacturing, Inc.
- Pressure pulse generation23 Sep 2025US 12,422,105 B2Halliburton Energy Services.Inc.
- Diaphragm radial compression ring (DRCRTM) to enhance the sealing ability and service life of the diaphragms used in dampeners/accumulators/pulsation control equipment12 Mar 2024US 11,927,292 B2Performance Pulsation Control, Inc.
- Pressure compensation device designed for underwater applications13 Jun 2023US 11,674,529 B2Robert Bosch GmbH
- Accumulator with flexible inflatable container14 Jun 2022US 11,359,648 B2Tenneco Automotive Operating Company Inc.
- Bladder surge suppressor1 Oct 2026US 2026/0298389 A1Young Engineering & Manufacturing, Inc.
- Intermediate hydraulic system and method of use30 Apr 2026US 2026/0117802 A1Country Mechanical Services
- Pressure pulse generation15 May 2025US 2025/0155089 A1Halliburton Energy Services.Inc.
- Accumulator for a chassis-level cooling system15 May 2025US 2025/0159840 A1Hewlett Packard Enterprise Development LP
- Hydraulic Accumulator4 Apr 2024US 2024/0110580 A1Hydac Technology GmbH
Most cited
By later US patents
- Inline bladder-type accumulator for downhole applications61US 7,353,845 B2Smith International, Inc. · 2008
- Pressure vessel with a bladder43US 4,817,830 AEcodyne Corporation · 1989
- Hydropneumatic accumulator27US 4,638,838 ACommissariat A L' Energie Atomique · 1987
- Hydraulic driving apparatus using a bladder-type accumulator with an improved safety23US 5,630,316 ASumitomo Heavy Industries, Ltd. · 1997
- Multi-function fluid component23US 7,306,006 B1Blacoh Fluid Controls, Inc. · 2007