A61M 5/3272
Having projections following labyrinth paths
Official title: {having projections following labyrinth paths}
A61M5/3272 (Having projections following labyrinth paths) appears on 339 US grants and 297 published applications in this corpus.
Search patents in A61M- Granted patents
- 339
- Published applications
- 297
- Assignees
- 107
- Inventors
- 515
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 12 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 11 | 0 |
| 1995 | 12 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 3 |
| 2002 | 5 | 4 |
| 2003 | 6 | 12 |
| 2004 | 6 | 11 |
| 2005 | 6 | 17 |
| 2006 | 3 | 14 |
| 2007 | 6 | 5 |
| 2008 | 5 | 11 |
| 2009 | 4 | 7 |
| 2010 | 2 | 4 |
| 2011 | 6 | 12 |
| 2012 | 9 | 7 |
| 2013 | 5 | 21 |
| 2014 | 7 | 15 |
| 2015 | 8 | 19 |
| 2016 | 17 | 10 |
| 2017 | 16 | 9 |
| 2018 | 14 | 25 |
| 2019 | 15 | 12 |
| 2020 | 18 | 18 |
| 2021 | 12 | 8 |
| 2022 | 14 | 15 |
| 2023 | 8 | 11 |
| 2024 | 5 | 8 |
| 2025 | 15 | 12 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Disposable injection needle11 Aug 2026US 12,702,759 B2Tianjin Huahong Technology Co., Ltd.
- Medicament delivery device21 Jul 2026US 12,685,821 B2Shl Medical AG
- Safety needles and methods of use thereof16 Jun 2026US 12,653,963 B2Dali Medical Devices Ltd.
- Delivery device24 Feb 2026US 12,558,492 B2Shl Medical AG
- Needle protection assembly6 Jan 2026US 12,514,990 B2Becton Dickinson France
- A sub-assembly of a medicament delivery device27 Aug 2026US 2026/0249011 A1Shl Medical AG
- A subassembly of a medicament delivery device13 Aug 2026US 2026/0232919 A1Shl Medical AG
- A subassembly of a medicament delivery device30 Jul 2026US 2026/0216449 A1Shl Medical AG
- Insulin needle tip protection mechanism and insulin injection device25 Jun 2026US 2026/0174975 A1Ningbo Medsun Medical Co., Ltd.
- Drive spring and needle cover spring for an injection device9 Apr 2026US 2026/0097167 A1Ypsomed AG
Most cited
By later US patents
- Hypodermic syringe with protective shield1,132US 5,222,945 A1993
- Pre-filled injection delivery device390US 6,099,504 AElan Corporation, plc · 2000
- Shielded hypodermic syringe377US 4,425,120 A1984
- Shield assembly for hypodermic injection devices336US 4,795,432 A1989
- Protected needle assembly301US 5,591,138 A1997