A61M 5/31578
The piston rod being moved by the axial movement of a component
Official title: {the piston rod being moved by the axial movement of a component directly in contact with it}
A61M5/31578 (The piston rod being moved by the axial movement of a component) appears on 1,124 US grants and 1,438 published applications in this corpus.
Search patents in A61M- Granted patents
- 1,124
- Published applications
- 1,438
- Assignees
- 416
- Inventors
- 1,951
- 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 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 9 | 0 |
| 1994 | 17 | 0 |
| 1995 | 10 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 16 | 0 |
| 2000 | 11 | 0 |
| 2001 | 16 | 8 |
| 2002 | 11 | 14 |
| 2003 | 22 | 13 |
| 2004 | 5 | 37 |
| 2005 | 3 | 22 |
| 2006 | 13 | 12 |
| 2007 | 9 | 34 |
| 2008 | 14 | 26 |
| 2009 | 7 | 30 |
| 2010 | 21 | 29 |
| 2011 | 21 | 31 |
| 2012 | 14 | 49 |
| 2013 | 24 | 61 |
| 2014 | 30 | 44 |
| 2015 | 51 | 49 |
| 2016 | 45 | 103 |
| 2017 | 57 | 73 |
| 2018 | 43 | 78 |
| 2019 | 85 | 80 |
| 2020 | 74 | 113 |
| 2021 | 68 | 93 |
| 2022 | 87 | 94 |
| 2023 | 72 | 94 |
| 2024 | 62 | 87 |
| 2025 | 78 | 87 |
| 2026 | 41 | 77 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for multiple site dispensing or injection6 Oct 2026US 12,752,061 B2Credence Medsystems, Inc.
- Delivery device for a flexible liquid container15 Sep 2026US 12,734,296 B2Shl Medical AG
- Excess dose alert system for a dosing pen15 Sep 2026US 12,734,302 B2DelPharma LLC
- Activation assisting assembly for a medicament delivery device15 Sep 2026US 12,734,310 B2Shl Medical AG
- Dose detection with piezoelectric sensing for a medication delivery device25 Aug 2026US 12,714,798 B2Eli Lilly and Company
- 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.
- Precise dosing syringe assembly1 Oct 2026US 2026/0295170 A1Pacto Medical Inc.
Most cited
By later US patents
- Interchangeable tools for surgical instruments2,056US 8,758,391 B2Ethicon Endo-Surgery, Inc. · 2014
- 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
- Medicament delivery device with cap1,072US 9,295,784 B2Sanofi-Aventis Deutschland GmbH · 2016
- Meter for electrically measuring and recording injection syringe doses604US 5,628,309 ARaya Systems, Inc. · 1997