G01P 3/495
Where the indicating means responds to forces produced by the eddy currents
Official title: where the indicating means responds to forces produced by the eddy currents and the generating magnetic field
G01P3/495 (Where the indicating means responds to forces produced by the eddy currents) appears on 18 US grants and 5 published applications in this corpus.
Search patents in G01P- Granted patents
- 18
- Published applications
- 5
- Assignees
- 15
- Inventors
- 32
- Latest grant
- 5 Nov 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 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 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 3 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Eddy current sensor for a rotary shaft and rotary shaft apparatus5 Nov 2019US 10,466,265 B2Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
- Sensor device for determining rotational speed of a rotatable object and turbocharger with such a sensor device13 Aug 2019US 10,379,134 B2Jaquet Technology Group AG
- Cable winch12 Feb 2019US 10,202,264 B2Konecranes Global Corporation
- Sensor device for the contactless acquisition of a rotation characteristic of a rotatable object11 Apr 2017US 9,618,529 B2Robert Bosch GmbH
- Eddy current sensor with a modification coil for reducing extensive heating and a method for operating such an eddy current sensor8 Oct 2002US 6,462,535 B1Johannes Heidenhain GmbH
- Cable winch25 Jan 2018US 2018/0022587 A1Terex MHPS IP Management GmbH
- Eddy Current Sensor for a Rotary Shaft and Rotary Shaft Apparatus28 Dec 2017US 2017/0370958 A1Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
- Sensor device for determining rotational speed of a rotatable object and turbocharger with such a sensor device30 Jun 2016US 2016/0187366 A1Jaquet Technology Group AG
- Sensor Device for the Contactless Acquisition of a Rotation Characteristic of a Rotatable Object12 Mar 2015US 2015/0070004 A1Robert Bosch GmbH
- sensor device for the contactless acquisition of a rotation characteristic of a rotatable object18 Dec 2014US 2014/0366632 A1
Most cited
By later US patents
- Eddy-current device for measuring rotational speed23US 4,186,609 A1980
- Eddy current sensor with a modification coil for reducing extensive heating and a method for operating such an eddy current sensor20US 6,462,535 B1Johannes Heidenhain GmbH · 2002
- Elevator governor checking and adjusting method13US 6,227,334 B1Mitsubishi Denki Kabushiki Kaisha · 2001
- Combined speedometer and tachometer8US 4,841,902 A1989
- Device for measuring the frequency of an electrical current representative of a variable quantity5US 4,371,834 AJaeger · 1983