A61F 2002/30232
Half-cylinders
Official title: {Half-cylinders}
A61F2002/30232 (Half-cylinders) appears on 87 US grants and 93 published applications in this corpus.
Search patents in A61F- Granted patents
- 87
- Published applications
- 93
- Assignees
- 33
- Inventors
- 120
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 5 |
| 2002 | 2 | 2 |
| 2003 | 3 | 0 |
| 2004 | 4 | 13 |
| 2005 | 1 | 7 |
| 2006 | 8 | 4 |
| 2007 | 2 | 3 |
| 2008 | 0 | 5 |
| 2009 | 3 | 10 |
| 2010 | 3 | 3 |
| 2011 | 5 | 3 |
| 2012 | 5 | 2 |
| 2013 | 1 | 3 |
| 2014 | 5 | 4 |
| 2015 | 3 | 3 |
| 2016 | 5 | 3 |
| 2017 | 1 | 3 |
| 2018 | 5 | 4 |
| 2019 | 6 | 5 |
| 2020 | 4 | 2 |
| 2021 | 2 | 3 |
| 2022 | 3 | 3 |
| 2023 | 0 | 1 |
| 2024 | 3 | 1 |
| 2025 | 2 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for patient-specific total disc replacement31 Mar 2026US 12,589,004 B2Nexus TDR, Inc.
- Spinal implant system and method17 Mar 2026US 12,575,938 B2Warsaw Orthopedic, Inc.
- Dynamic spinal segment replacement1 Apr 2025US 12,263,093 B2Medsmart Innovation, Inc.
- Lockable spinal implant25 Feb 2025US 12,232,975 B2Howmedica Osteonics Corp.
- Spinal implant system and method18 Jun 2024US 12,011,358 B2Warsaw Orthopedic, Inc.
- Tissue engineering scaffolds2 Jul 2026US 2026/0185024 A1Vestlandets Innovasjonsselskap AS
- Spinal implant system and method5 Dec 2024US 2024/0398578 A1Warsaw Orthopedic, Inc.
- Dynamic spinal segment replacement30 Mar 2023US 2023/0099613 A1Medsmart Innovation, Inc.
- Bone fusion device, system and method29 Dec 2022US 2022/0409394 A1Neuropro Technologies, Inc.
- System and method for joint resurfacing and repair27 Oct 2022US 2022/0338884 A1Arthrosurface Incorporated
Most cited
By later US patents
- Expandable intervertebral cage and surgical method1,454US 5,665,122 A1997
- Intervertebral disk arthroplasty1,076US 5,258,031 ADanek Medical, Inc. · 1993
- Changing relationship between bones1,023US 6,099,531 A2000
- Intervertebral disk arthroplasty device859US 5,562,738 ADanek Medical, Inc. · 1996
- Articulating spinal implant815US 6,019,792 ACauthen Research Group, Inc. · 2000