G01N 2291/2636
Cylindrical from inside
Official title: cylindrical from inside
G01N2291/2636 (Cylindrical from inside) appears on 392 US grants and 381 published applications in this corpus.
Search patents in G01N- Granted patents
- 392
- Published applications
- 381
- Assignees
- 252
- Inventors
- 941
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 2 |
| 2002 | 8 | 4 |
| 2003 | 9 | 12 |
| 2004 | 7 | 9 |
| 2005 | 6 | 5 |
| 2006 | 5 | 5 |
| 2007 | 6 | 8 |
| 2008 | 3 | 9 |
| 2009 | 5 | 16 |
| 2010 | 8 | 14 |
| 2011 | 8 | 13 |
| 2012 | 15 | 13 |
| 2013 | 15 | 14 |
| 2014 | 8 | 13 |
| 2015 | 7 | 12 |
| 2016 | 11 | 10 |
| 2017 | 12 | 12 |
| 2018 | 10 | 35 |
| 2019 | 13 | 16 |
| 2020 | 17 | 32 |
| 2021 | 28 | 29 |
| 2022 | 27 | 26 |
| 2023 | 26 | 28 |
| 2024 | 28 | 22 |
| 2025 | 17 | 12 |
| 2026 | 13 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High resolution imaging of pressurized water supply lines using high frequency acoustic waves8 Sep 2026US 12,730,030 B2The Hong Kong University of Science and Technology
- Determination of peaking of pipes8 Sep 2026US 12,730,094 B2NDT Global Corporate LTD.
- Ultrasonic in-line inspection system with square transducers21 Jul 2026US 12,687,523 B2Saudi Arabian Oil Company
- Pipe evaluation robot and pipe evaluation method16 Jun 2026US 12,656,318 B2Korea Hydro & Nuclear Power Co., Ltd.
- Calibration method for guided elastic wave tomography adapted to cylinder-type structures9 Jun 2026US 12,650,408 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- System and method for inspecting an acoustic liner of an aircraft engine30 Jul 2026US 2026/0218625 A1Pratt & Whitney Canada Corp.
- Test Device and Test Method for While-Drilling Casing Collapse and Cementing Quality Evaluation23 Jul 2026US 2026/0210231 A1China Oilfield Services Limited
- Modular inline inspection vehicle9 Jul 2026US 2026/0194408 A1DarkVision Technologies Inc.
- Magnetizer Cushion21 May 2026US 2026/0140088 A1Novitech Inc.
- Ultrasound devices and methods for fuel channel inspection14 May 2026US 2026/0135008 A1Ontario Power Generation Inc.
Most cited
By later US patents
- Method and apparatus for determining location of characteristics of a pipeline311US 6,243,657 B1PII North America, Inc. · 2001
- Ultrasonic probe assembly and cable therefor183US 5,398,689 AHewlett-Packard Company · 1995
- Gas main robotic inspection system178US 6,917,176 B2Carnegie Mellon University · 2005
- Pipe inspection probe146US 6,076,407 AFramatome Technologies, Inc. · 2000
- Ultrasonic tubulars inspection device115US 7,293,461 B12007