Y10T 137/2521
Flow comparison or differential response
Y10T137/2521 (Flow comparison or differential response) appears on 461 US grants and 182 published applications in this corpus.
Search patents in Y10T- Granted patents
- 461
- Published applications
- 182
- Assignees
- 266
- Inventors
- 647
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 19 | 0 |
| 1978 | 16 | 0 |
| 1979 | 5 | 0 |
| 1980 | 14 | 0 |
| 1981 | 16 | 0 |
| 1982 | 23 | 0 |
| 1983 | 7 | 0 |
| 1984 | 15 | 0 |
| 1985 | 13 | 0 |
| 1986 | 14 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 13 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 11 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 13 | 0 |
| 2000 | 13 | 0 |
| 2001 | 9 | 4 |
| 2002 | 11 | 15 |
| 2003 | 14 | 7 |
| 2004 | 6 | 12 |
| 2005 | 8 | 4 |
| 2006 | 6 | 5 |
| 2007 | 2 | 2 |
| 2008 | 2 | 19 |
| 2009 | 2 | 5 |
| 2010 | 7 | 8 |
| 2011 | 7 | 14 |
| 2012 | 10 | 15 |
| 2013 | 16 | 14 |
| 2014 | 11 | 11 |
| 2015 | 18 | 13 |
| 2016 | 11 | 4 |
| 2017 | 8 | 5 |
| 2018 | 4 | 4 |
| 2019 | 5 | 4 |
| 2020 | 5 | 5 |
| 2021 | 3 | 3 |
| 2022 | 1 | 0 |
| 2023 | 5 | 3 |
| 2024 | 2 | 3 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pumping cassette20 Jan 2026US 12,529,363 B2DEKA Products Limited Partnership
- Ceramic balancing check valve11 Nov 2025US 12,467,545 B1Hain Yo Enterprises Co., Ltd.
- Reciprocating diaphragm pumps for blood treatment systems and methods23 Sep 2025US 12,421,952 B2DEKA Products Limited Partnership
- Pumping cassette20 Aug 2024US 12,066,017 B2DEKA Products Limited Partnership
- Cassette system integrated apparatus23 Jul 2024US 12,044,228 B2DEKA Products Limited Partnership
- Blood treatment systems and methods5 Feb 2026US 2026/0036122 A1DEKA Products Limited Partnership
- Differential pressure regulator24 Apr 2025US 2025/0130603 A1HPDI Technology Limited Partnership
- Pumping cassette17 Apr 2025US 2025/0122871 A1DEKA Products Limited Partnership
- Cassette system integrated apparatus24 Oct 2024US 2024/0352927 A1DEKA Products Limited Partnership
- Blood treatment systems and methods7 Mar 2024US 2024/0077069 A9DEKA Products Limited Partnership
Most cited
By later US patents
- Gas-line system for semiconductor-manufacturing apparatus492US 6,662,817 B2ASM Japan K .K. · 2003
- Controlled additive metering system248US 4,265,266 AHalliburton Company · 1981
- Cassette system integrated apparatus229US 7,967,022 B2DEKA Products Limited Partnership · 2011
- Pumping cassette225US 8,273,049 B2DEKA Products Limited Partnership · 2012
- Volumetric fluid balance control for extracorporeal blood treatment195US 7,112,273 B2NxStage Medical, Inc. · 2006