F15B 1/12
Attached at their periphery
Official title: attached at their periphery (flexible separating means in the form of a tube F15B1/16)
F15B1/12 (Attached at their periphery) appears on 94 US grants and 47 published applications in this corpus.
Search patents in F15B- Granted patents
- 94
- Published applications
- 47
- Assignees
- 45
- Inventors
- 125
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 4 |
| 2005 | 3 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 3 | 3 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 5 |
| 2019 | 3 | 3 |
| 2020 | 2 | 5 |
| 2021 | 6 | 3 |
| 2022 | 3 | 3 |
| 2023 | 4 | 4 |
| 2024 | 1 | 3 |
| 2025 | 1 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydraulic accumulator2 Jun 2026US 12,644,473 B2Hydac Technology GmbH
- Diaphragm for a fluid storage tank17 Mar 2026US 12,576,994 B2Cam Lock Limited
- Hydraulic accumulator17 Jun 2025US 12,331,760 B2Hydac Technology GmbH
- Rock breaking machine and method for storing pressure energy10 Sep 2024US 12,083,663 B2Sandvik Mining and Construction Oy
- Automatic fluid pump inlet stabilizers and vacuum regulators28 Nov 2023US 11,828,303 B2Blacoh Fluid Controls, Inc.
- Method2 Apr 2026US 2026/0092610 A1Hydac Technology GmbH
- Accumulator3 Jul 2025US 2025/0215905 A1NHK Spring Co., Ltd.
- Hydraulic Accumulator26 Sep 2024US 2024/0318669 A1Hydac Technology GmbH
- Hydraulic Accumulator4 Apr 2024US 2024/0110580 A1Hydac Technology GmbH
- Hydraulic Accumulator1 Feb 2024US 2024/0035490 A1Hydac Technology GmbH
Most cited
By later US patents
- Suspended diaphragm88US 6,295,918 B12001
- Expansion tank diaphragm assembly50US 3,931,834 AThe Goodyear Tire & Rubber Company · 1976
- Undulated container for undulated diaphragm and diaphragm device48US 5,449,003 A1995
- Hydraulic accumulator with dividing wall supported by connecting and retaining parts46US 5,427,152 AHydac Technology GmbH · 1995
- Split tank closure and diaphragm assembly45US 4,595,037 AEssef Industries, Inc. · 1986