G01N 30/52
Physical parameters
G01N30/52 (Physical parameters) appears on 629 US grants and 557 published applications in this corpus.
Search patents in G01N- Granted patents
- 629
- Published applications
- 557
- Assignees
- 372
- Inventors
- 1,421
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 12 | 0 |
| 1994 | 15 | 0 |
| 1995 | 12 | 0 |
| 1996 | 9 | 0 |
| 1997 | 24 | 0 |
| 1998 | 12 | 0 |
| 1999 | 14 | 0 |
| 2000 | 22 | 0 |
| 2001 | 20 | 2 |
| 2002 | 19 | 25 |
| 2003 | 31 | 35 |
| 2004 | 23 | 24 |
| 2005 | 17 | 30 |
| 2006 | 11 | 25 |
| 2007 | 14 | 22 |
| 2008 | 20 | 23 |
| 2009 | 14 | 27 |
| 2010 | 20 | 22 |
| 2011 | 12 | 18 |
| 2012 | 6 | 12 |
| 2013 | 14 | 12 |
| 2014 | 18 | 18 |
| 2015 | 9 | 16 |
| 2016 | 7 | 18 |
| 2017 | 9 | 17 |
| 2018 | 8 | 28 |
| 2019 | 23 | 16 |
| 2020 | 19 | 30 |
| 2021 | 21 | 18 |
| 2022 | 19 | 28 |
| 2023 | 13 | 29 |
| 2024 | 24 | 26 |
| 2025 | 27 | 13 |
| 2026 | 6 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Membrane sealing layer and spacer ring for viral clearance chromatography device19 May 2026US 12,629,611 B2Life Technologies Corporation
- System for membrane chromatography31 Mar 2026US 12,589,331 B2Sartorius Stedim Biotech GmbH
- Systems and methods for enhanced detection and quantification of chemical species31 Mar 2026US 12,590,941 B1Koloma, Inc.
- Gas chromatograph24 Mar 2026US 12,584,891 B2Shimadzu Corporation
- Analyzer column cartridge10 Feb 2026US 12,546,754 B2Hitachi High-Tech Corporation
- High pressure fluid handling device for liquid chromatography8 Oct 2026US 2026/0309684 A1IDEX Health & Science LLC
- Photoswitchable compounds and affinity ligands, and their use for the optical control of affinity matrices10 Sep 2026US 2026/0265179 A1AFC Innovations GmbH
- Exhaled breath capture modules and substrate-based probes for monitoring proteolysis activity3 Sep 2026US 2026/0259181 A1Zeteo Tech, Inc.
- Column cartridge and analyzer3 Sep 2026US 2026/0259182 A1Hitachi High-Tech Corporation
- Estimation method, computer program, and information processing apparatus27 Aug 2026US 2026/0252973 A1SHIMADZU GENERAL SERVICES, Inc.
Most cited
By later US patents
- Flow-injection analysis and variable-flow light-scattering methods and apparatus for characterizing polymers317US 6,175,409 B1Symyx Technologies, Inc. · 2001
- Integrated multilayered microfludic devices and methods for making the same242US 6,572,830 B1Motorola, Inc. · 2003
- Multilayered microfluidic DNA analysis system and method238US 6,544,734 B12003
- Mosaic microcolumns, slabs, and separation media for electrophoresis and chromatography219US 5,135,627 ASoane Technologies, Inc. · 1992
- Microfluidic chromatography190US 6,752,922 B2Fluidigm Corporation · 2004