F15B 2201/3154
The flexible separating means being completely enclosed
Official title: the flexible separating means being completely enclosed, e.g. using gas-filled balls or foam
F15B2201/3154 (The flexible separating means being completely enclosed) appears on 14 US grants and 9 published applications in this corpus.
Search patents in F15B- Granted patents
- 14
- Published applications
- 9
- Assignees
- 12
- Inventors
- 25
- Latest grant
- 26 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 3 | 1 |
| 2022 | 2 | 2 |
| 2023 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Energy storage systems26 Dec 2023US 11,852,170 B2
- Cellular tube for replacement of traditional gas-charged cartridges in suction stabilizers27 Jun 2023US 11,686,328 B2Performance Pulsation Control, Inc.
- Cellular tube for replacement of traditional gas-charged cartridges in suction stabilizers10 Jan 2023US 11,549,524 B2Performance Pulsation Control, Inc.
- Nested pre-charge cartridges12 Jul 2022US 11,384,887 B2Performance Pulsation Control, Inc.
- Quick closing valve system and methodology5 Apr 2022US 11,293,263 B2Cameron International Corporation
- Accumulator26 Oct 2023US 2023/0340967 A1
- Energy storage systems21 Jul 2022US 2022/0228606 A1
- Electric hydraulic actuator24 Feb 2022US 2022/0056927 A1Dong Jin Electric & Precision Co., Ltd.
- Quick closing valve system and methodology15 Jul 2021US 2021/0215019 A1Cameron International Corporation
- Nested pre-charge cartridges31 Dec 2020US 2020/0408347 A1Performance Pulsation Control, Inc.
Most cited
By later US patents
- Hydrostatic bladder-type storage means90US 4,367,786 ADaimler-Benz Aktiengesellschaft · 1983
- Distributed accumulator81US 4,651,781 ANorthrop Corporation · 1987
- Internal accumulator for hydraulic systems38US 5,709,248 ACaterpillar Inc. · 1998
- Pre-loaded elastomeric accumulator for hydraulic system21US 5,967,623 AITT Manufacturing Enterprises, Inc. · 1999
- Pressure tank11US 5,944,217 AOlaer Industries · 1999