ClassID:

119949

C23C8/70 - CPC Classification

Classification description:

Solid state diffusion of only non-metal elements into metallic material surfaces ; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes only one element being applied; Boronising of ferrous surfaces

Recent Application in this class:
#1
20260152838
2026-06-04

OXIDIZED AND BORONIZED LAYERS FOR CORROSION RESISTANCE

#2
20250115986
2025-04-10

BORONIZED CORROSION RESISTANT ALLOY COMPONENT FOR HIGH PRESSURE AND HIGH TEMPERATURE OILFIELD APPLICATIONS

#3
20220220999
2022-07-14

Guiding member, mechanical system comprising such a guiding member, and method for producing such a guiding member

#4
20210123127
2021-04-29

Cutting blade for an agricultural implement, and method of manufacturing the same

#5
20190136362
2019-05-09

Coating system for tubular gripping components

#6
20180265960
2018-09-20

POST-BORIDING PROCESSES FOR TREATING PIPE AND RECOVERING BORONIZING POWDER

#7
20180265959
2018-09-20

Method for using boronizing reaction gases as a protective atmosphere during boronizing, and reaction gas neutralizing treatment

#8
20180265364
2018-09-20

Boronizing powder compositions for improved boride layer quality in oil country tubular goods and other metal articles

#9
20170102051
2017-04-13

Chain element and method for the production thereof

#10
20150247553
2015-09-03

CHAIN ELEMENT AND METHOD FOR THE PRODUCTION THEREOF

#11
20150225834
2015-08-13

Boronizing composition and method for surface treatment of steels

#12
20130260160
2013-10-03

Methods for manufacturing of cobalt boride coating layer on surface of steels by using a pack cementation process

#13
20130243955
2013-09-19

Process and apparatus to treat metal surfaces

#14
20130239769
2013-09-19

Knife for wood processing and methods for plating and surface treating a knife for wood processing

#15
20120211218
2012-08-23

BORONIZED PLUNGER

#16
20120205012
2012-08-16

Boronization process and composition with improved surface characteristics of metals

#17
20120119132
2012-05-17

Article having good wear resistance

#18
20120079862
2012-04-05

Boronized laying pipe

#19
20110073217
2011-03-31

Wear resistant device and process therefor

#20
20090293993
2009-12-03

Boronization process and composition with improved surface characteristics of metals

#21
20070098917
2007-05-03

Plasma boriding method