F22B 37/006
Walking equipment
Official title: {Walking equipment, e.g. walking platforms suspended at the tube sheet}
F22B37/006 (Walking equipment) appears on 30 US grants and 7 published applications in this corpus.
Search patents in F22B- Granted patents
- 30
- Published applications
- 7
- Assignees
- 18
- Inventors
- 43
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 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 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Articulated manipulator for navigating and servicing a heat exchanger21 Jan 2025US 12,202,126 B2Westinghouse Electric Corp.
- Drilling apparatus for working on tubes in a radioactive environment13 Apr 2021US 10,974,326 B2Westinghouse Electric Germany GmbH
- Apparatus for automated positioning of eddy current test probe1 Mar 2016US 9,273,985 B2BWXT Nuclear Energy, Inc.
- Tubesheet walker for heat exchanger inspections20 Jan 2015US 8,938,044 B2Westinghouse Electric Corp.
- Apparatus for automated positioning of eddy current test probe10 Jun 2014US 8,746,089 B2Babcock & Wilcox Nuclear Energy, Inc.
- Articulated manipulator for navigating and servicing a heat exchanger9 Dec 2021US 2021/0383937 A1Westinghouse Electric Corp.
- Drilling apparatus for working on tubes in a radioactive environment3 Oct 2019US 2019/0299301 A1Westinghouse Electric Germany GmbH
- Apparatus for automated positioning of eddy current test probe23 Jun 2016US 2016/0176685 A1BWXT Nuclear Energy, Inc.
- Apparatus for Automated Positioning of Eddy Current Test Probe6 Feb 2014US 2014/0033837 A1Babcock & Wilcox Nuclear Energy, Inc.
- Tubesheet walker for heat exchanger inspections14 Nov 2013US 2013/0299122 A1Westinghouse Electric Corp.
Most cited
By later US patents
- Device for positioning a member on a tubular plate27US 4,004,698 ASociete Franco-Americaine de Constructions Atomiques-Framatome · 1977
- Remote access manipulator20US 4,168,782 AWestinghouse Electric Corp. · 1979
- Mounting arrangement for anchor fingers on a surface traversing apparatus18US 4,018,346 ACombustion Engineering, Inc. · 1977
- Swinging-type automatic examination apparatus for piping16US 4,893,512 ADoryokuro Kakunenryo Kaihatsu Jigyodan · 1990
- Surface traversing apparatus15US 4,018,345 ACombustion Engineering, Inc. · 1977