A61F 2002/30525
Worm gears
Official title: {Worm gears}
A61F2002/30525 (Worm gears) appears on 306 US grants and 317 published applications in this corpus.
Search patents in A61F- Granted patents
- 306
- Published applications
- 317
- Assignees
- 104
- Inventors
- 304
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 3 | 6 |
| 2005 | 4 | 6 |
| 2006 | 2 | 15 |
| 2007 | 0 | 5 |
| 2008 | 1 | 4 |
| 2009 | 6 | 7 |
| 2010 | 9 | 13 |
| 2011 | 6 | 9 |
| 2012 | 16 | 11 |
| 2013 | 13 | 14 |
| 2014 | 14 | 21 |
| 2015 | 18 | 17 |
| 2016 | 13 | 16 |
| 2017 | 12 | 20 |
| 2018 | 25 | 28 |
| 2019 | 24 | 19 |
| 2020 | 18 | 21 |
| 2021 | 18 | 14 |
| 2022 | 22 | 18 |
| 2023 | 20 | 23 |
| 2024 | 16 | 10 |
| 2025 | 18 | 12 |
| 2026 | 11 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Tibial trial insert system11 Aug 2026US 12,702,563 B2Aesculap AG
- Expandable fusion device and method of installation thereof4 Aug 2026US 12,697,228 B2Globus Medical, Inc.
- Expandable implant assembly16 Jun 2026US 12,653,693 B2Life Spine, Inc.
- Expandable and adjustable lordosis interbody fusion system26 May 2026US 12,636,166 B2Adcura, Inc.
- Bone fusion device16 Jul 2026US 2026/0199102 A1Neuropro Technologies, Inc.
- Flat plate mechanisms for bone lengthening2 Jul 2026US 2026/0183026 A1NuVasive Specialized Orthopedics, Inc.
- Medical implant device2 Jul 2026US 2026/0183116 A1Statera Medical Inc.
- Expandable worm screw jack for installation between upper and lower succeeding articular processes and having enhanced bone gripping geometry and teeth profiles18 Jun 2026US 2026/0165750 A1Linares Spinal Devices, LLC
- Bone graft delivery system and method for using same18 Jun 2026US 2026/0165849 A1Spinal Surgical Strategies, Inc., d/b/a Kleiner Device Labs
Most cited
By later US patents
- Expandable spinal fusion device and methods of promoting spinal fusion755US 7,018,415 B1SDGI Holdings, Inc. · 2006
- Anterior spinal implant746US 4,636,217 ARegents of the University of Minnesota · 1987
- Laterally expandable cage719US 6,723,126 B1SDGI Holdings, Inc. · 2004
- Laterally expandable cage490US 6,953,477 B2SDGI Holdings, Inc. · 2005
- Lockable spinal implant459US 8,192,495 B2CoAlign Innovations, Inc. · 2012