G01C17/04 - CPC Classification Index

ClassID:

164530 ⎘

G01C17/04 - CPC Classification

Classification description:

Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes; Magnetic compasses with north-seeking magnetic elements, e.g. needles

Sub-classes:

G01C17/06 » Suspending magnetic elements 3
G01C17/10 » Comparing observed direction with north indication 3
G01C17/18 » Supporting or suspending compasses, e.g. by gimbal, by flotation 6
G01C17/20 » Observing the compass card or needle 4

Recent Application in this class:

20210385604

2021-12-09

Angular sensing for optimizing speaker listening experience

20190041209

2019-02-07

System and method for calibrating magnetic sensors in real and finite time

20190024467

2019-01-24

METHOD FOR ORIENTING WHIPSTOCK FOR CASING EXIT IN VERTICAL AND NEAR VERTICAL WELLS USING XY MAGNETOMETERS

20180256077

2018-09-13

Apparatus and method for remote range-of-motion testing

20170357028

2017-12-14

Compass with laser pointer

20170284838

2017-10-05

Changeable compass colours for improved viewing

20170277128

2017-09-28

Electronic timepiece

20160282115

2016-09-29

ULTRASONIC LOW FRICTION COMPASS

20150192646

2015-07-09

Magnetic sensors with permanent magnets magnetized in different directions

#10

20150101202

2015-04-16

Compass assembly

#11

20140182148

2014-07-03

Method and a device for determining a direction in a magnetic field

#12

20130014398

2013-01-17

Mirrored compass for improved directional reading

#13

20110219647

2011-09-15

NAME BADGE AND COMPASS

#14

20100199506

2010-08-12

Device for mechanically locating and reading the setting of an adjustable valve

#15

20100095878

2010-04-22

Apparatus and method for indicating direction

#16

20070137054

2007-06-21

Compass

#17

20060042107

2006-03-02

Magnetic location device