ClassID:

145117

F05C2201/0406 - CPC Classification

Classification description:

Metals; Heavy metals; Refractory metals, e.g. V, W Chromium

Recent Application in this class:
#1
20250376981
2025-12-11

COMPRESSOR

#2
20240200556
2024-06-20

Compressor with chromium nitride and titanium nitride layers

#3
20240066644
2024-02-29

METHOD OF DESIGNING AND PRODUCING FIBER-REINFORCED POLYMER PISTONS

#4
20220048146
2022-02-17

Method of Designing and Producing Fiber-Reinforced Polymer Pistons

#5
20180106250
2018-04-19

COATINGS FOR REDUCING WEAR ON ROD PUMP COMPONENTS

#6
20170167483
2017-06-15

COATINGS FOR REDUCING WEAR ON ROD PUMP COMPONENTS

#7
20170096998
2017-04-06

Pump with wear-resistant barrel and plunger having coating support

#8
20170074399
2017-03-16

LIGHTWEIGHT PISTON PIN AND METHOD FOR MANUFACTURING THE LIGHTWEIGHT PISTON PIN

#9
20160289807
2016-10-06

HARDENING NICKEL-CHROMIUM-IRON-TITANIUM-ALUMINIUM ALLOY WITH GOOD WEAR RESISTANCE, CREEP STRENGTH, CORROSION RESISTANCE AND PROCESSABILITY

#10
20160222959
2016-08-04

Pump with plunger having tribological coating

#11
20160138593
2016-05-19

Rotary compressor having vane that has diamond-like carbon layer

#12
20130161013
2013-06-27

Corrosion resistant fluid end for well service pumps

#13
20120174617
2012-07-12

Refrigerant compressor and refrigeration cycle apparatus

#14
20110052439
2011-03-03

Refrigerant compressor and refrigerating cycle device

#15
20110041684
2011-02-24

Two-part piston for an internal combustion engine

#16
20100159271
2010-06-24

Sliding member for compressor

#17
20100139092
2010-06-10

SHAFT FOR WIND TURBINE GENERATOR AND METHOD FOR ASSEMBLING WIND TURBINE GENERATOR

#18
20090114292
2009-05-07

Valve assembly

#19
20050109289
2005-05-26

High temperature and high pressure compressor piston ring

#20
20050042124
2005-02-24

Small size gear pump