G01B 3/50
Of limit-gauge type, i.e. "go/no-go"
Official title: of limit-gauge type, i.e. "go/no-go" (G01B3/48 takes precedence)
G01B3/50 (Of limit-gauge type, i.e. "go/no-go") appears on 43 US grants and 33 published applications in this corpus.
Search patents in G01B- Granted patents
- 43
- Published applications
- 33
- Assignees
- 37
- Inventors
- 91
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 3 | 4 |
| 2005 | 1 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 4 |
| 2014 | 5 | 3 |
| 2015 | 1 | 2 |
| 2016 | 3 | 0 |
| 2017 | 0 | 3 |
| 2018 | 1 | 1 |
| 2019 | 3 | 1 |
| 2020 | 2 | 0 |
| 2021 | 3 | 6 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adjustable diameter step pin apparatus25 Aug 2026US 12,716,703 B2Lockheed Martin Corporation
- Apparatus for verifying the inner diameter of tubulars forming a tubular string21 Apr 2026US 12,607,115 B2
- 3D printed drift device21 Apr 2026US 12,607,441 B2Stewart Tubular Products LLC
- Apparatus for verifying the inner diameter of tubulars forming a tubular string10 Jan 2023US 11,549,363 B2
- Inspection tool for surface of paint22 Mar 2022US 11,280,601 B2CITIC Dicastal Co., Ltd.
- Gauge for inspecting an aperture of a workpiece and a method19 Mar 2026US 2026/0078994 A1The Boeing Company
- Deflection gauge25 Sep 2025US 2025/0297844 A1Oatey Co.
- Adjustable Diameter Step Pin Apparatus21 Aug 2025US 2025/0264319 A1Lockheed Martin Corporation
- 3d printed drift device1 May 2025US 2025/0137771 A1Stewart Tubular Products LLC
- Apparatus for Verifying the Inner Diameter of Tubulars Forming A Tubular String13 Apr 2023US 2023/0109922 A1
Most cited
By later US patents
- Low profile, one hand go-no-go gage and locator36US 6,748,667 B2L&L Products, Inc. · 2004
- Fresh donor heart valve sizer and method of use33US 6,458,155 B1Edwards Lifesciences Corporation · 2002
- Gauge for checking linear sizes of mechanical parts21US 4,348,814 AFinike Italiana Marposs S.p.A. · 1982
- Internal weld profile gauge10US 6,637,121 B22003
- Gauge9US 4,200,987 A1980