A61M 2205/3331
Pressure
Official title: Pressure; Flow
A61M2205/3331 (Pressure) appears on 8,485 US grants and 12,477 published applications in this corpus.
Search patents in A61M- Granted patents
- 8,485
- Published applications
- 12,477
- Assignees
- 2,940
- Inventors
- 15,340
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 13 | 0 |
| 1982 | 7 | 0 |
| 1983 | 11 | 0 |
| 1984 | 9 | 0 |
| 1985 | 7 | 0 |
| 1986 | 11 | 0 |
| 1987 | 16 | 0 |
| 1988 | 17 | 0 |
| 1989 | 15 | 0 |
| 1990 | 18 | 0 |
| 1991 | 29 | 0 |
| 1992 | 15 | 0 |
| 1993 | 17 | 0 |
| 1994 | 28 | 0 |
| 1995 | 25 | 0 |
| 1996 | 26 | 0 |
| 1997 | 55 | 0 |
| 1998 | 64 | 0 |
| 1999 | 40 | 0 |
| 2000 | 41 | 0 |
| 2001 | 34 | 15 |
| 2002 | 50 | 70 |
| 2003 | 64 | 67 |
| 2004 | 56 | 120 |
| 2005 | 49 | 117 |
| 2006 | 47 | 118 |
| 2007 | 46 | 144 |
| 2008 | 50 | 140 |
| 2009 | 61 | 157 |
| 2010 | 98 | 262 |
| 2011 | 122 | 268 |
| 2012 | 152 | 292 |
| 2013 | 229 | 296 |
| 2014 | 237 | 366 |
| 2015 | 271 | 577 |
| 2016 | 287 | 562 |
| 2017 | 363 | 682 |
| 2018 | 415 | 694 |
| 2019 | 621 | 863 |
| 2020 | 644 | 957 |
| 2021 | 637 | 1053 |
| 2022 | 711 | 1099 |
| 2023 | 731 | 931 |
| 2024 | 780 | 1026 |
| 2025 | 765 | 918 |
| 2026 | 471 | 683 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61M 2205/3334Measuring or controlling the flow rateIndexing code3,992
- A61M 2205/3344Measuring or controlling pressure at the body treatment siteIndexing code1,851
- A61M 2205/3337Controlling, regulating pressure or flow by means of a valve by-passing aIndexing code648
- A61M 2205/3355Controlling downstream pump pressureIndexing code489
- A61M 2205/3341Stabilising pressure or flow to avoid excessive variationIndexing code317
- A61M 2205/3351Controlling upstream pump pressureIndexing code274
- A61M 2205/3358Measuring barometric pressureIndexing code195
- A61M 2205/3348Pressure measurement using a water columnIndexing code97
All 9 subgroupsShow fewer
Recent patents
- Computer-aided vacuum thrombectomy systems and methods for estimating therapeutic benefit6 Oct 2026US 12,751,729 B1Penumbra, Inc.
- Sensor positioning and optical sensing for sensor enabled wound therapy dressings and systems6 Oct 2026US 12,751,864 B2Smith & Nephew, Inc.
- Apparatus, system and method for fluid delivery6 Oct 2026US 12,751,899 B2DEKA Products Limited Partnership
- Breast pump device and controller for the device, and a control method6 Oct 2026US 12,752,042 B2Koninklijke Philips N. V.
- Canister status determination for negative pressure wound therapy devices6 Oct 2026US 12,752,048 B2T.J. Smith and Nephew, Limited
- Fiber bragg grating for endoscopes8 Oct 2026US 2026/0305915 A1GYRUS ACMI INC. (d.b.a.Olympus Surgical Technologies America)
- Measuring intracranial pressure using a cerebrospinal fluid shunt device8 Oct 2026US 2026/0305967 A1Children’s Hospital Los Angeles
- Specialty-specific inflow pump parameters8 Oct 2026US 2026/0306723 A1Arthrex, Inc.
- Outflow control based on connected device8 Oct 2026US 2026/0306729 A1Arthrex, Inc.
- Medicament delivery system and method therefor8 Oct 2026US 2026/0306737 A1Shl Medical AG
Most cited
By later US patents
- Handheld personal data assistant (PDA) with a medical device and method of using the same2,420US 6,641,533 B2Medtronic MiniMed, Inc. · 2003
- Handheld personal data assistant (PDA) with a medical device and method of using the same2,273US 6,558,320 B1Medtronic MiniMed, Inc. · 2003
- Clamp assembly and method of use2,136US 5,618,307 AHeartport, Inc. · 1997
- Device for treating tissues, for example skin1,592US 4,382,441 A1983
- Modular infusion device and method1,554US 6,749,587 B2Insulet Corporation · 2004