A61F 2/447
Substantially parallelepipedal
Official title: {substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section}
A61F2/447 (Substantially parallelepipedal) appears on 3,064 US grants and 3,779 published applications in this corpus.
Search patents in A61F- Granted patents
- 3,064
- Published applications
- 3,779
- Assignees
- 587
- Inventors
- 2,544
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 14 | 0 |
| 2001 | 14 | 7 |
| 2002 | 23 | 35 |
| 2003 | 25 | 42 |
| 2004 | 24 | 68 |
| 2005 | 23 | 46 |
| 2006 | 27 | 52 |
| 2007 | 21 | 35 |
| 2008 | 10 | 53 |
| 2009 | 17 | 45 |
| 2010 | 36 | 80 |
| 2011 | 54 | 102 |
| 2012 | 60 | 150 |
| 2013 | 120 | 151 |
| 2014 | 127 | 198 |
| 2015 | 147 | 197 |
| 2016 | 180 | 218 |
| 2017 | 203 | 234 |
| 2018 | 222 | 250 |
| 2019 | 220 | 244 |
| 2020 | 203 | 244 |
| 2021 | 200 | 237 |
| 2022 | 228 | 274 |
| 2023 | 242 | 238 |
| 2024 | 228 | 215 |
| 2025 | 232 | 220 |
| 2026 | 138 | 144 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-piece intervertebral implants6 Oct 2026US 12,751,832 B2
- Articulating expandable intervertebral implant6 Oct 2026US 12,751,835 B2Globus Medical, Inc.
- Method and apparatus for performing spine surgery29 Sep 2026US 12,745,997 B2NuVasive, Inc.
- Anterior lumbar cage and inserter device22 Sep 2026US 12,740,865 B2Zavation Medical Products, LLC
- Implant including egg-shaped internal architecture, and methods22 Sep 2026US 12,740,870 B2
- Implants and Instruments with Flexible Features8 Oct 2026US 2026/0306270 A1VB Spine US Opco LLC
- Interbody spinal implants8 Oct 2026US 2026/0306274 A1GetSet Surgical SA
- Devices and methods for bone fixation1 Oct 2026US 2026/0294492 A1NuVasive, Inc.
- Anterior lumbar cage and inserter device1 Oct 2026US 2026/0294633 A1Zavation Medical Products, LLC
- Minimally Invasive Robotic Assisted Trans-Facet Lumbar Interbody Fusion1 Oct 2026US 2026/0294643 A1
Most cited
By later US patents
- Prosthetic implant1,505US 4,834,757 A1989
- Artificial spinal fusion implants1,486US 5,522,899 ASofamor Danek Properties, Inc. · 1996
- Lordotic interbody spinal fusion implants1,389US 5,609,635 A1997
- Intersomatic vertebral cage1,224US 5,554,191 ABiomat · 1996
- Intervertebral implant1,192US 6,176,882 B1Biedermann Motech GmbH · 2001