A61M 5/31576
Constructional features
Official title: {Constructional features; Drive mechanisms or modes for piston rods}
A61M5/31576 (Constructional features) appears on 2,330 US grants and 3,016 published applications in this corpus.
Search patents in A61M- Granted patents
- 2,330
- Published applications
- 3,016
- Assignees
- 647
- Inventors
- 3,260
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 11 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 18 | 0 |
| 1995 | 13 | 0 |
| 1996 | 13 | 0 |
| 1997 | 20 | 0 |
| 1998 | 13 | 0 |
| 1999 | 20 | 0 |
| 2000 | 15 | 0 |
| 2001 | 24 | 11 |
| 2002 | 13 | 19 |
| 2003 | 31 | 24 |
| 2004 | 9 | 66 |
| 2005 | 14 | 34 |
| 2006 | 21 | 23 |
| 2007 | 14 | 47 |
| 2008 | 17 | 53 |
| 2009 | 12 | 62 |
| 2010 | 32 | 64 |
| 2011 | 41 | 61 |
| 2012 | 34 | 128 |
| 2013 | 59 | 139 |
| 2014 | 79 | 103 |
| 2015 | 112 | 133 |
| 2016 | 114 | 259 |
| 2017 | 139 | 178 |
| 2018 | 126 | 166 |
| 2019 | 212 | 196 |
| 2020 | 181 | 216 |
| 2021 | 135 | 214 |
| 2022 | 178 | 174 |
| 2023 | 148 | 194 |
| 2024 | 131 | 193 |
| 2025 | 164 | 156 |
| 2026 | 91 | 103 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Medicament delivery device6 Oct 2026US 12,752,058 B2Shl Medical AG
- System and method for multiple site dispensing or injection6 Oct 2026US 12,752,061 B2Credence Medsystems, Inc.
- Auto injector with cartridge locking system29 Sep 2026US 12,746,335 B2Ascendis Pharma A/S
- Support structure, medicament delivery device and method of assemblying29 Sep 2026US 12,746,336 B2Shl Medical AG
- Devices and methods for precision dose delivery22 Sep 2026US 12,741,098 B2Regeneron Pharmaceuticals, Inc.
- A storage case for an electromechanical medicament delivery device8 Oct 2026US 2026/0306733 A1Shl Medical AG
- Medicament delivery system with dose divider8 Oct 2026US 2026/0306747 A1Sanofi Pasteur Limited
- Multiple use computerized injector8 Oct 2026US 2026/0306748 A1E3D A.C.A.L Ltd
- Reusable automatic medicament delivery device1 Oct 2026US 2026/0295163 A1Shl Medical AG
- Drug delivery device1 Oct 2026US 2026/0295164 A1Amgen Inc.
Most cited
By later US patents
- Interchangeable tools for surgical instruments2,056US 8,758,391 B2Ethicon Endo-Surgery, Inc. · 2014
- Medication delivery device with a microprocessor and characteristic monitor1,907US 5,925,021 AVisionary Medical Products, Inc. · 1999
- Coupling for injection devices1,183US 8,574,199 B2Novo Nordisk A/S · 2013
- Articulating medical instrument1,082US 9,510,846 B2Artack Medical (2013) Ltd. · 2016
- Material delivery device and method of using the same1,075US 6,053,899 ASciMed Life Systems, Inc. · 2000