A61M 2202/0498
Urea
A61M2202/0498 (Urea) appears on 85 US grants and 84 published applications in this corpus.
Search patents in A61M- Granted patents
- 85
- Published applications
- 84
- Assignees
- 50
- Inventors
- 181
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 3 | 5 |
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 2 | 2 |
| 2010 | 1 | 2 |
| 2011 | 3 | 4 |
| 2012 | 0 | 2 |
| 2013 | 2 | 5 |
| 2014 | 5 | 5 |
| 2015 | 4 | 5 |
| 2016 | 2 | 1 |
| 2017 | 4 | 2 |
| 2018 | 2 | 2 |
| 2019 | 6 | 10 |
| 2020 | 2 | 8 |
| 2021 | 6 | 7 |
| 2022 | 5 | 3 |
| 2023 | 4 | 6 |
| 2024 | 4 | 2 |
| 2025 | 2 | 4 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Urea monitoring during dialysis for improved quality control and treatment guidance4 Aug 2026US 12,697,423 B2University of lowa Research Foundation
- Therapy prediction and optimization for renal failure blood therapy9 Jun 2026US 12,649,020 B2Vantive Health GmbH
- Dialysis apparatus which ultra-filters blood and a related method3 Feb 2026US 12,539,357 B2
- Wearable and portable device for recirculating flow dialysis27 Jan 2026US 12,533,452 B2
- Hemodialysis system reservoir level sensor13 Jan 2026US 12,521,473 B2Diality Inc.
- Method for removing uremic toxins from blood1 Oct 2026US 2026/0295137 A1Hospices Civils De Lyon
- A dialysis apparatus which ultra-filters blood and a related method28 Aug 2025US 2025/0269101 A1Ipswich Medical Research Limited
- Nanomaterial-based adsorption processing and catalysis3 Apr 2025US 2025/0108362 A1Drexel University
- Nanomaterial-based adsorption processing and catalysis20 Mar 2025US 2025/0091029 A1Drexel University
- Vacuum System to Clear Standing Column of Fluid23 Jan 2025US 2025/0025617 A1C. R. Bard, Inc.
Most cited
By later US patents
- Method for the in-vivo determination of hemodialysis parameters202US 5,100,554 AFresenius AG · 1992
- Method and system for optimizing dialysis clearance202US 5,507,723 ABaxter International Inc. · 1996
- Blood and tissue detoxification apparatus134US 3,994,799 A1976
- Hemodialysis method133US 5,230,702 AParadigm Biotechnologies Partnership · 1993
- Method for determining the adequacy of dialysis121US 5,308,315 A1994