ClassID:

168572

G01N27/80 - CPC Classification

Classification description:

Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating mechanical hardness, e.g. by investigating saturation or remanence of ferromagnetic material

Recent Application in this class:
#1
20250313514
2025-10-09

POLYCRYSTALLINE DIAMOND COMPACTS

#2
20240264118
2024-08-08

DEVICE FOR IN-LINE MONITORING THE ROOM TEMPERATURE MICROSTRUCTURE VARIATIONS

#3
20230251226
2023-08-10

MECHANICAL PROPERTY MEASURING APPARATUS, MECHANICAL PROPERTY MEASURING METHOD, SUBSTANCE MANUFACTURING EQUIPMENT, SUBSTANCE MANAGEMENT METHOD, AND SUBSTANCE MANUFACTURING METHOD

#4
20230228713
2023-07-20

Mechanical property measuring apparatus, mechanical property measuring method, substance manufacturing equipment, substance management method, and substance manufacturing method

#5
20230228712
2023-07-20

Mechanical property measuring apparatus, mechanical property measuring method, substance manufacturing equipment, substance management method, and substance manufacturing method

#6
20230228711
2023-07-20

Method and device for determining characteristics of metallic casing and casing attenuation

#7
20230092478
2023-03-23

Device and Method for Weld Root Hardening Determination Compensated for Variations in Distance Between Sensor and Sample

#8
20220163483
2022-05-26

Method for nondestructive assessment of steel

#9
20210072183
2021-03-11

Method and devices for observing a magnetic field of a material volume, and use of the method

#10
20200331811
2020-10-22

Polycrystalline diamond compacts

#11
20200284758
2020-09-10

Device and method of detecting magnetic characteristic change for long material

#12
20200011833
2020-01-09

Surface characteristic inspection method and surface characteristic inspection device

#13
20200003926
2020-01-02

METAL DETECTOR FOR BURIED AND ABANDONED CHEMICAL WEAPONS

#14
20190285586
2019-09-19

Method and apparatus for evaluating damage to magnetic linear body

#15
20190285585
2019-09-19

Method and apparatus for evaluating damage to magnetic linear body

#16
20190275400
2019-09-12

Determining fencing blade quality using dynamic magnetic field measurements

#17
20190226289
2019-07-25

Degaussing ferrous material within drilling fluids

#18
20190154633
2019-05-23

TEST BENCH AND METHOD FOR ESTIMATING REMANENT MAGNETISATIONS ON SEDIMENT CORES

#19
20180306748
2018-10-25

Method and devices for observing a magnetic field of a material volume, and use of the method

#20
20180299393
2018-10-18

Surface characteristics evaluation method for steel material

#21
20180202971
2018-07-19

Methods for testing non- or weakly ferromagnetic test objects

#22
20180179114
2018-06-28

Polycrystalline diamond compacts

#23
20170173637
2017-06-22

Surface property and inspection sorting apparatus, system, and method

#24
20160355440
2016-12-08

Polycrystalline diamond compacts

#25
20160289789
2016-10-06

Sensors

#26
20160231277
2016-08-11

Method for the contactless determination of a mechanical-technological characteristic variable of ferromagnetic metals, and also apparatus for said method

#27
20150300988
2015-10-22

PSC ANCHORAGE FOR MONITORING A STATUS CHANGE OF PS STEEL MEMBER AND PSC GIRDER USING THE SAME

#28
20150241390
2015-08-27

Automatically updating hard iron and soft iron coefficients of a magnetic sensor

#29
20150061647
2015-03-05

Method for calibrating a measuring device for inspecting surfaces on the basis of Barkhausen noises for a specified component geometry

#30
20140084910
2014-03-27

Surface property inspection device and surface property inspection method

#31
20130300405
2013-11-14

Quenching depth measurement method and quenching depth measurement apparatus

#32
20130076348
2013-03-28

Eddy current sensor and eddy current measurement method

#33
20130038322
2013-02-14

Eddy current measuring sensor

#34
20130015849
2013-01-17

Device for determining the wear of a carbon ceramic brake disk

#35
20120043962
2012-02-23

METHOD AND APPARATUS FOR EDDY CURRENT INSPECTION OF CASE-HARDENDED METAL COMPONENTS

#36
20110189468
2011-08-04

Polycrystalline diamond compact and method of fabricating same

#37
20110062953
2011-03-17

Nondestructive testing system for steel workpiece

#38
20100310855
2010-12-09

Polycrystalline diamond

#39
20100307070
2010-12-09

Method of fabricating polycrystalline diamond and a polycrystalline diamond compact

#40
20100307069
2010-12-09

Polycrystalline diamond compact

#41
20100225311
2010-09-09

Method of characterizing a polycrystalline diamond element by at least one magnetic measurement

#42
20100084196
2010-04-08

Rotary drill bit including polycrystalline diamond cutting elements

#43
20050200354
2005-09-15

Method and apparatus for determining the thickness of a chromium depleted zone of a surface region of a steel member

#44
20050155678
2005-07-21

Method of nondestructive examination of chromium-containing nickel-based alloy for grain boundary corrosion and examination apparatus

#45
14842007
2016-08-09

Wireless radiation sensor

#46
14822103
2018-06-26

Method and apparatus for determining Curie temperature distribution of a sample of magnetic material

#47
13235916
2014-11-04

Constant current metal detector