G01N 31/226
For investigating the degree of sterilisation
Official title: {for investigating the degree of sterilisation}
G01N31/226 (For investigating the degree of sterilisation) appears on 175 US grants and 170 published applications in this corpus.
Search patents in G01N- Granted patents
- 175
- Published applications
- 170
- Assignees
- 92
- Inventors
- 325
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 3 |
| 2002 | 6 | 10 |
| 2003 | 5 | 9 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 5 |
| 2007 | 4 | 5 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 2 |
| 2011 | 4 | 6 |
| 2012 | 3 | 1 |
| 2013 | 3 | 3 |
| 2014 | 3 | 11 |
| 2015 | 5 | 11 |
| 2016 | 12 | 6 |
| 2017 | 7 | 13 |
| 2018 | 7 | 7 |
| 2019 | 10 | 10 |
| 2020 | 6 | 10 |
| 2021 | 5 | 9 |
| 2022 | 3 | 13 |
| 2023 | 8 | 11 |
| 2024 | 3 | 3 |
| 2025 | 10 | 8 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sterilization indicator sensor with a sterilant-responsive switch2 Jun 2026US 12,644,870 B2Solventum Intellectual Properties Company
- Determining effectiveness of sterilization procedure from outside the sterilization package28 Apr 2026US 12,611,478 B2Solventum Intellectual Properties Company
- Apparatus and method to measure concentration of disinfectant in medical device reprocessing system17 Feb 2026US 12,551,590 B2Asp Global Manufacturing GmbH
- Multilayer test pack for sterilization monitoring10 Feb 2026US 12,544,472 B2Solventum Intellectual Properties Company
- Method for sterilizing, certificating and tracing of liquid nitrogen30 Dec 2025US 12,508,338 B2Nterilizer S.R.L.
- Determining effectiveness of sterilization procedure from outside the sterilization package20 Aug 2026US 2026/0241057 A1Solventum Intellectual Properties Company
- Process indicator isolation chamber for medical device processor23 Jul 2026US 2026/0207809 A1American Sterilizer Company
- Sterilization Indicator Sensor18 Jun 2026US 2026/0166192 A1Solventum Intellectual Properties Company
- Steam sterilization process challenge device18 Jun 2026US 2026/0166193 A1American Sterilizer Company
- Multilayer test pack for sterilization monitoring4 Jun 2026US 2026/0151526 A1Solventum Intellectual Properties Company
Most cited
By later US patents
- Chemical indicator sheets and packaging bags for sterilization made with the use of the same80US 6,267,242 B1Johnson & Johnson Medical, Inc. · 2001
- Chemical indicator for oxidation-type sterilization processes using bleachable dyes76US 5,942,438 AJohnson & Johnson Medical, Inc. · 1999
- Steam sterilization indicator73US 4,448,548 APyMaH Corporation · 1984
- Visual chemical indicating composition for monitoring sterilization70US 4,407,960 AAmerican Sterilizer Company · 1983
- Biological indicator for sterilization processes69US 4,291,122 AAmerican Sterilizer Company · 1981