G01D 9/42
Recording indications of measuring instruments by photographic means
Official title: Recording indications of measuring instruments by photographic means, e.g. of counters
G01D9/42 (Recording indications of measuring instruments by photographic means) appears on 33 US grants and 5 published applications in this corpus.
Search patents in G01D- Granted patents
- 33
- Published applications
- 5
- Assignees
- 22
- Inventors
- 60
- Latest grant
- 14 Sep 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Automated reader for gauge-based meters14 Sep 2021US 11,118,942 B2Flex Ltd.
- Image processing apparatus and method of controlling the same and recording medium29 Sep 2020US 10,789,716 B2Canon Kabushiki Kaisha
- Image sensing meter reading probe2 Jun 2015US 9,046,390 B2Greenwave Systems PTE LTD
- Multiple and interchangeable meter reading probes27 Jan 2015US 8,941,509 B2Greenwave Systems PTE LTD
- CRT printer for lenticular photographs6 Oct 1998US 5,818,495 AEastman Kodak Company
- System and method for assessing and balancing service level agreements for facility infrastructure31 Aug 2023US 2023/0274182 A1AT&T Intellectual Property I, L. P.
- Automated reader for gauge-based meters27 Feb 2020US 2020/0064162 A1Flex Ltd.
- Image processing apparatus and method of controlling the same and recording medium23 May 2019US 2019/0156488 A1Canon Kabushiki Kaisha
- Multiple and interchangeable meter reading probes22 May 2014US 2014/0139682 A1Greenwave Reality, Pte Ltd.
- Multiple and interchangeable meter reading probes27 Feb 2014US 2014/0055283 A1Greenwave Reality, Pte Ltd.
Most cited
By later US patents
- Multibeam recording apparatus42US 4,404,571 ACanon Kabushiki Kaisha · 1983
- Recorder using light emitting diodes30US 3,988,742 AMcDonnell Douglas Corporation · 1976
- Photoplotter using a light valve device and process for exposing graphics24US 4,675,702 AGerber Scientific, Inc. · 1987
- Cross scan beam positioner for multiple channel laser ROS20US 4,514,739 AXerox Corporation · 1985
- Image forming apparatus with displaying and printing functions19US 4,547,787 ACanon Kabushiki Kaisha · 1985