G01B 3/56
Gauges for measuring angles or tapers
Official title: Gauges for measuring angles or tapers, e.g. conical calipers
G01B3/56 (Gauges for measuring angles or tapers) appears on 462 US grants and 319 published applications in this corpus.
Search patents in G01B- Granted patents
- 462
- Published applications
- 319
- Assignees
- 135
- Inventors
- 677
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 12 | 0 |
| 1979 | 6 | 0 |
| 1980 | 8 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 10 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 10 | 0 |
| 1989 | 3 | 0 |
| 1990 | 11 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 4 | 0 |
| 2000 | 10 | 0 |
| 2001 | 5 | 2 |
| 2002 | 10 | 6 |
| 2003 | 12 | 7 |
| 2004 | 7 | 10 |
| 2005 | 4 | 5 |
| 2006 | 6 | 12 |
| 2007 | 21 | 16 |
| 2008 | 10 | 13 |
| 2009 | 14 | 10 |
| 2010 | 10 | 13 |
| 2011 | 15 | 8 |
| 2012 | 16 | 14 |
| 2013 | 8 | 20 |
| 2014 | 12 | 12 |
| 2015 | 9 | 12 |
| 2016 | 12 | 14 |
| 2017 | 10 | 16 |
| 2018 | 9 | 13 |
| 2019 | 16 | 9 |
| 2020 | 17 | 26 |
| 2021 | 14 | 20 |
| 2022 | 20 | 14 |
| 2023 | 18 | 18 |
| 2024 | 15 | 13 |
| 2025 | 7 | 10 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Level sensor consisting of two integral units29 Sep 2026US 12,747,936 B2AUMOVIO Germany GmbH
- Multifunctional speed square31 Mar 2026US 12,590,790 B2
- Measurement device with integral angle finder24 Mar 2026US 12,584,737 B2Kapro Industries Ltd.
- Adjustable angle marker system for pipe elbow joints and method of use10 Mar 2026US 12,569,977 B1
- Combination square and method of adjusting the same3 Feb 2026US 12,540,807 B2Klein Tools, Inc.
- Sharpening system for a cutting tool and related method of use20 Aug 2026US 2026/0241516 A1Ranch Distribution Inc.
- Bevel square23 Jul 2026US 2026/0208524 A1Hultafors Group AB
- Measurement devices with integral angle finder, spirit levels, and castor device pair for use with ladders18 Jun 2026US 2026/0168793 A1Kapro Industries Ltd.
- System for Measuring Contact Angle4 Jun 2026US 2026/0153319 A1Guizhou Power Grid Company Limited
- Multifunctional display element14 May 2026US 2026/0133021 A1Pepperl+Fuchs SE (Mannheim)
Most cited
By later US patents
- Sliding T bevel with digital readout113US 8,607,465 B1General Tools & Instruments Company LLC · 2013
- Application and network-based long poll request detection and cacheability assessment therefor104US 8,166,164 B1Seven Networks, LLC · 2012
- Method and apparatus for determining acetabular component positioning88US 8,267,938 B22012
- Multi-purpose carpentry measuring device80US 5,713,135 A1998
- Square level measuring tool76US 4,700,489 A1987