G01D 5/34761
Protection devices
Official title: {Protection devices, e.g. caps; Blowing devices}
G01D5/34761 (Protection devices) appears on 54 US grants and 33 published applications in this corpus.
Search patents in G01D- Granted patents
- 54
- Published applications
- 33
- Assignees
- 20
- Inventors
- 76
- Latest grant
- 12 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 4 |
| 2004 | 4 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 2 |
| 2018 | 2 | 4 |
| 2019 | 3 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Displacement measuring apparatus12 Nov 2024US 12,140,452 B2Mitutoyo Corporation
- Sealed linear encoder and sealing lip for a sealed linear encoder20 Jun 2023US 11,680,828 B2Renishaw PLC
- Encoder10 Jan 2023US 11,549,828 B2Renishaw PLC
- Encoder18 May 2021US 11,009,374 B2Renishaw PLC
- Encoder apparatus2 Feb 2021US 10,907,997 B2Renishaw PLC
- Displacement measuring apparatus11 Aug 2022US 2022/0252436 A1Mitutoyo Corporation
- Encoder8 Jul 2021US 2021/0207981 A1Renishaw PLC
- Encoder apparatus29 Apr 2021US 2021/0123774 A1Renishaw PLC
- Encoder apparatus27 Feb 2020US 2020/0064163 A1Renishaw PLC
- Encoder for optical coherence tomography scanner10 Jan 2019US 2019/0011250 A13Shape A/S
Most cited
By later US patents
- Measuring instrument mounting apparatus33US 4,320,578 ADr. Johannes Heidenhain GmbH · 1982
- Longitudinal measuring device with longitudinally displaceable scale29US 4,170,826 ADr. Johannes Heidenhain GmbH · 1979
- Dust excluding device27US 4,376,543 AMitutoyo Mfg. Co., Ltd. · 1983
- Cylinder with optical position sensing device and method26US 6,834,574 B2Parker-Hannifin Corporation · 2004
- Position measuring device21US 4,982,508 ADr. Johannes Heidenhain GmbH · 1991