G01N 13/00
Investigating surface or boundary effects
Official title: Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects (scanning-probe techniques or apparatus G01Q)
G01N13/00 (Investigating surface or boundary effects) appears on 940 US grants and 883 published applications in this corpus.
Search patents in G01N- Granted patents
- 940
- Published applications
- 883
- Assignees
- 672
- Inventors
- 2,619
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 10 | 0 |
| 1986 | 13 | 0 |
| 1987 | 14 | 0 |
| 1988 | 3 | 0 |
| 1989 | 14 | 0 |
| 1990 | 14 | 0 |
| 1991 | 8 | 0 |
| 1992 | 15 | 0 |
| 1993 | 9 | 0 |
| 1994 | 17 | 0 |
| 1995 | 14 | 0 |
| 1996 | 11 | 0 |
| 1997 | 12 | 0 |
| 1998 | 14 | 0 |
| 1999 | 12 | 0 |
| 2000 | 12 | 0 |
| 2001 | 22 | 5 |
| 2002 | 20 | 22 |
| 2003 | 16 | 28 |
| 2004 | 23 | 40 |
| 2005 | 24 | 42 |
| 2006 | 21 | 31 |
| 2007 | 27 | 31 |
| 2008 | 24 | 29 |
| 2009 | 23 | 27 |
| 2010 | 25 | 30 |
| 2011 | 22 | 23 |
| 2012 | 15 | 30 |
| 2013 | 22 | 23 |
| 2014 | 31 | 34 |
| 2015 | 11 | 39 |
| 2016 | 37 | 37 |
| 2017 | 19 | 43 |
| 2018 | 28 | 41 |
| 2019 | 34 | 53 |
| 2020 | 49 | 47 |
| 2021 | 35 | 47 |
| 2022 | 40 | 56 |
| 2023 | 52 | 37 |
| 2024 | 37 | 26 |
| 2025 | 27 | 37 |
| 2026 | 16 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biorelevant dissolution media6 Oct 2026US 12,754,116 B2Janssen Pharmaceutica NV
- Caprock analysis methods and systems22 Sep 2026US 12,742,903 B2Saudi Arabian Oil Company
- Temperature control system for a diffusion cell, diffusion cell, diffusion cell system, and method for controlling the temperature in a diffusion cell1 Sep 2026US 12,723,961 B2LTS Lohmann Therapie-Systeme AG
- Method of measuring contact angle of silicon wafer and method of evaluating surface condition of silicon wafer18 Aug 2026US 12,710,347 B2Sumco Corporation
- Wettability evaluation device and method28 Jul 2026US 12,693,200 B2Hitachi High-Tech Corporation
- Antifogging agent1 Oct 2026US 2026/0298803 A1Resonac Corporation
- The diffusivity measurement algorithm of a two-dimensional heat dissipation device24 Sep 2026US 2026/0287489 A1
- Viscosity and surface tension measurement using resonance of levitated droplets17 Sep 2026US 2026/0276508 A1
- Systems and methods for fluid separation interface control using color-based optical measurements10 Sep 2026US 2026/0264094 A1Fenwal, Inc.
- Neutron reflectivity-rheology sample environment for investigating materials at air-liquid and liquid-liquid interfaces and methods of use thereof27 Aug 2026US 2026/0251545 A1
Most cited
By later US patents
- Glucose biosensor759US 6,475,750 B1M-Biotech, Inc. · 2002
- Biosensor621US 6,268,161 B1M-Biotech, Inc. · 2001
- Photometric glucose measurement system using glucose-sensitive hydrogel447US 6,835,553 B2M-Biotech, Inc. · 2004
- Hydrogel biosensor204US 6,514,689 B2M-Biotech, Inc. · 2003
- Polymer matrix containing catalase co-immobilized with analytic enzyme that generates hydrogen peroxide201US 6,858,403 B2M-Biotech, Inc. · 2005