A61F 2/441
Made of inflatable pockets or chambers filled with fluid
Official title: {made of inflatable pockets or chambers filled with fluid, e.g. with hydrogel}
A61F2/441 (Made of inflatable pockets or chambers filled with fluid) appears on 775 US grants and 1,048 published applications in this corpus.
Search patents in A61F- Granted patents
- 775
- Published applications
- 1,048
- Assignees
- 234
- Inventors
- 815
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 10 | 0 |
| 2001 | 16 | 7 |
| 2002 | 20 | 39 |
| 2003 | 19 | 50 |
| 2004 | 23 | 61 |
| 2005 | 18 | 70 |
| 2006 | 29 | 72 |
| 2007 | 24 | 100 |
| 2008 | 13 | 80 |
| 2009 | 32 | 55 |
| 2010 | 45 | 65 |
| 2011 | 47 | 50 |
| 2012 | 41 | 48 |
| 2013 | 42 | 21 |
| 2014 | 37 | 38 |
| 2015 | 42 | 32 |
| 2016 | 37 | 45 |
| 2017 | 49 | 32 |
| 2018 | 40 | 31 |
| 2019 | 26 | 29 |
| 2020 | 30 | 25 |
| 2021 | 19 | 12 |
| 2022 | 20 | 20 |
| 2023 | 22 | 18 |
| 2024 | 16 | 16 |
| 2025 | 14 | 13 |
| 2026 | 11 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Devices and methods for correcting vertebral misalignment4 Aug 2026US 12,697,230 B2Globus Medical, Inc.
- Mesh spacer hybrid spinal implant28 Jul 2026US 12,690,982 B2Spineology Inc.
- Expandable laminoplasty implant7 Jul 2026US 12,672,964 B2The General Hospital Corporation
- Flexible spinal implant for supporting vertebral structures16 Jun 2026US 12,653,689 B2Lenoss Medical LLC
- Deployable bistable auxetic expandable interbody spacer9 Jun 2026US 12,648,858 B2Globus Medical, Inc.
- Spinal implant device1 Oct 2026US 2026/0294640 A1Spineology Inc.
- Deployable bistable auxetic expandable interbody spacer17 Sep 2026US 2026/0272665 A1Globus Medical, Inc.
- Expandable Interbody Implant With Lordosis Correction13 Aug 2026US 2026/0232458 A1VB Spine LLC
- Spinal repair device30 Jul 2026US 2026/0215928 A1Orthoson Limited
- Intervertebral fusion device with bone graft lumbar30 Jul 2026US 2026/0215934 A1Bloom Biomedical, Inc.
Most cited
By later US patents
- Intervertebral spacer and tool and method for emplacement thereof1,264US 6,039,761 ALi Medical Technologies, Inc. · 2000
- Artificial spinal prosthesis1,218US 5,123,926 A1992
- Expandable fabric implant for stabilizing the spinal motion segment1,151US 5,549,679 A1996
- Systems for percutaneous bone and spinal stabilization, fixation and repair1,069US 6,127,597 ADiscoTech N.V. · 2000
- Expandable fabric implant for stabilizing the spinal motion segment1,068US 5,571,189 A1996