A61F 2230/0056
W-shaped
Official title: W-shaped, e.g. M-shaped, sigma-shaped
A61F2230/0056 (W-shaped) appears on 94 US grants and 110 published applications in this corpus.
Search patents in A61F- Granted patents
- 94
- Published applications
- 110
- Assignees
- 58
- Inventors
- 213
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 1 |
| 2002 | 0 | 1 |
| 2003 | 3 | 3 |
| 2004 | 2 | 0 |
| 2005 | 1 | 5 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 3 |
| 2009 | 1 | 3 |
| 2010 | 3 | 2 |
| 2011 | 3 | 3 |
| 2012 | 2 | 5 |
| 2013 | 1 | 0 |
| 2014 | 2 | 3 |
| 2015 | 1 | 3 |
| 2016 | 5 | 7 |
| 2017 | 5 | 9 |
| 2018 | 5 | 7 |
| 2019 | 6 | 10 |
| 2020 | 8 | 10 |
| 2021 | 7 | 4 |
| 2022 | 5 | 8 |
| 2023 | 4 | 3 |
| 2024 | 2 | 2 |
| 2025 | 6 | 4 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cardiac leaflet coapters1 Sep 2026US 12,721,727 B2Mtex Cardio AG
- Cardiac leaflet coapters25 Aug 2026US 12,714,563 B2Mtex Cardio AG
- Hair implants comprising enhanced anchoring and medical safety features2 Jun 2026US 12,642,642 B2Loria Hair Implant Company LLC
- Device and method with reduced pacemaker rate in heart valve replacement26 May 2026US 12,636,148 B2JenaValve Technology, Inc.
- Prosthetic valve leaflet17 Mar 2026US 12,575,926 B2Boston Scientific Corporation
- Prosthetic valve leaflet24 Sep 2026US 2026/0283791 A1Boston Scientific Corporation
- Device and method with reduced pacemaker rate in heart valve replacement24 Sep 2026US 2026/0283793 A1JenaValve Technology, Inc.
- Image-assisted positioning in a prostatic urethra25 Jun 2026US 2026/0174570 A1Proverum AG
- Delivery tube for positioning an expander in a prostatic urethra18 Jun 2026US 2026/0165856 A1Proverum AG
- Method of anchoring an implant in a urethra30 Apr 2026US 2026/0115022 A1Proverum AG
Most cited
By later US patents
- Surgical staple2,306US 4,719,917 AMinnesota Mining and Manufacturing Company · 1988
- Apparatus for spinal fusion using implanted devices602US 6,096,080 ACortek, Inc. · 2000
- Implant for spinal fusion521US 6,241,769 B1Cortek, Inc. · 2001
- Devices and methods of vertebral disc augmentation425US 6,508,839 B1Intrinsic Orthopedics, Inc. · 2003
- Method and apparatus for spine joint replacement304US 7,090,698 B2Facet Solutions, Inc. · 2006