G01B 11/255
For measuring radius of curvature
Official title: for measuring radius of curvature {(measuring diameter G01B11/08)}
G01B11/255 (For measuring radius of curvature) appears on 261 US grants and 135 published applications in this corpus.
Search patents in G01B- Granted patents
- 261
- Published applications
- 135
- Assignees
- 194
- Inventors
- 556
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 14 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 22 | 0 |
| 1999 | 19 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 3 |
| 2002 | 9 | 5 |
| 2003 | 4 | 11 |
| 2004 | 4 | 2 |
| 2005 | 4 | 1 |
| 2006 | 3 | 1 |
| 2007 | 3 | 5 |
| 2008 | 2 | 2 |
| 2009 | 4 | 6 |
| 2010 | 2 | 1 |
| 2011 | 4 | 1 |
| 2012 | 2 | 3 |
| 2013 | 0 | 4 |
| 2014 | 1 | 2 |
| 2015 | 2 | 7 |
| 2016 | 5 | 8 |
| 2017 | 9 | 6 |
| 2018 | 5 | 9 |
| 2019 | 10 | 13 |
| 2020 | 13 | 14 |
| 2021 | 6 | 11 |
| 2022 | 15 | 4 |
| 2023 | 4 | 1 |
| 2024 | 4 | 3 |
| 2025 | 1 | 5 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for recovering twist in cable shape15 Sep 2026US 12,736,333 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Instrument and method for measuring the curvature and reflectivity of a surface of a sample1 Sep 2026US 12,723,871 B2Riber
- Radius of curvature (ROC) determinations based on ROC-dependent optical conjugate positions6 Jan 2026US 12,516,925 B2Viavi Solutions Inc.
- Titration module, test apparatus and method for measuring titration contact angles23 Dec 2025US 12,504,412 B2King Yuan Electronics Co., Ltd.
- Device and method for measuring curvature radius29 Oct 2024US 12,130,128 B2Shenzhen Supro Instruments Limited
- Detection device17 Sep 2026US 2026/0278819 A1Japan Display Inc.
- Compensation of operationally induced thermal deformations in the manufacturing process of an optical element under thermal control during operation3 Sep 2026US 2026/0259040 A1Carl Zeiss SMT GmbH
- Stacked sheet curved surface deforation measurement device and method thereof based on multi-contact micro-reflector20 Aug 2026US 2026/0243560 A1Huazhong University of Science and Technology
- Method for determining displacement maps, method for adjusting parameters for a bonding process, and composite substrate produced using said parameters, and system for producing a composite substrate6 Aug 2026US 2026/0227176 A1
- Optical Measurement Device for Enabling Simultaneous Measurement of Temperature, Pressure and Bending16 Apr 2026US 2026/0104275 A1Technische Universität Hamburg (TUHH)
Most cited
By later US patents
- Distance measuring confocal microscope291US 5,785,651 AKeraVision, Inc. · 1998
- Multi-camera corneal analysis system172US 5,847,804 AEyesys Technologies, Inc. · 1998
- Digital image system and method for determining surface reflective and refractive characteristics of objects116US 5,477,332 AMcDonnell Douglas Corporation · 1995
- Apparatus for measuring a gradient of a surface112US 4,289,400 ASony Corporation · 1981
- Phase contrast aberroscope107US 6,002,484 A1999