G01N 2021/437
With investigation of angle
Official title: {with investigation of angle}
G01N2021/437 (With investigation of angle) appears on 7 US grants and 8 published applications in this corpus.
Search patents in G01N- Granted patents
- 7
- Published applications
- 8
- Assignees
- 9
- Inventors
- 25
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Critical angle reflection imaging for quantification of molecular interactions11 Aug 2026US 12,704,458 B2Arizona Board of Regents on behalf of Arizona State University
- Apparatus and method for determining a fluid property downhole using a bulk reading refractometer15 Aug 2017US 9,733,182 B2Baker Hughes Incorporated
- Optical sensor apparatus to detect light based on the refractive index of a sample25 Apr 2017US 9,632,024 B2Entegris, Inc.
- Optical sensor apparatus to detect light based on the refractive index of a sample5 May 2015US 9,024,252 B2Entegris—Jetalon Solutions, Inc.
- Method for designing and tuning and system for measuring a refractive index of a magnetic fluid2 Nov 2004US 6,813,014 B2
- Critical angle reflection imaging for quantification of molecular interactions11 Apr 2024US 2024/0118200 A1Arizona Board of Regents on behalf of Arizona State University
- Optical System, and Method for Identifying Fluid Through Said System3 Jan 2019US 2019/0003872 A1Robert Bosch Limitada
- The Calculation Method of Wave Reflective Index on Interface21 Jun 2018US 2018/0172583 A1
- Optical sensor apparatus to detect light based on the refractive index of a sample12 Feb 2015US 2015/0042985 A1Entegris—Jetalon Solutions, Inc.
- Apparatus and Method for Determining a Fluid Property Downhole Using a Bulk Reading Refractometer9 Oct 2014US 2014/0300889 A1Baker Hughes Incorporated
Most cited
By later US patents
- Optical sensor for selective detection of substances and/or for the detection of refractive index changes in gaseous, liquid, solid and porous samples262US 4,815,843 AOerlikon-Buhrle Holding AG · 1989
- Optical sensor for selective detection of substances and/or for the detection of refractive index changes in gaseous, liquid, solid and porous samples146US 5,071,248 AAsi AG · 1991
- Optical sensor apparatus to detect light based on the refractive index of a sample15US 9,024,252 B2Entegris—Jetalon Solutions, Inc. · 2015
- Apparatus and method for determining a fluid property downhole using a bulk reading refractometer4US 9,733,182 B2Baker Hughes Incorporated · 2017