Patents-Review.com
ClassID:

200507 ⎘

G21G4/04 - CPC Classification

Classification description:

Radioactive sources Radioactive sources other than neutron sources

Sub-classes:
Recent Application in this class:
#1
20260120949
2026-04-30

CHARGE OR ELECTRICITY GENERATING DEVICES AND METHODS OF MAKING AND USE THEREOF

 #2
20250305398
2025-10-02

COMPOSITION AND PROCESS FOR ENHANCED OIL RECOVERY

 #3
20250223712
2025-07-10

NTAC -Driven Electrodes for Photo-Enhanced Electro-Catalytic (PEEC) Processes

 #4
20240427035
2024-12-26

SYSTEM AND METHOD FOR SIMULATING NON-HOMOGENOUS SPACE RADIATION ENVIRONMENT

 #5
20240312661
2024-09-19

NUCLEAR BATTERY INCLUDING FLEXIBLE NUCLEAR BATTERY MODULE

 #6
20240112825
2024-04-04

LOW TEMPERATURE LOW-ABUNDANCE ATOMIC OBJECT DISPENSING

 #7
20230207149
2023-06-29

Charge or electricity generating devices and methods of making and use thereof

 #8
20230028491
2023-01-26

Method for making cost-effective nickel-63 radiation source for true random number generators

 #9
20220406485
2022-12-22

Fuel fabrication process for radioisotope thermoelectric generators

 #10
20220153607
2022-05-19

Preparation of metal fluorides and separation processes

 #11
20220062938
2022-03-03

Low temperature low-abundance atomic object dispenser

 #12
20210210245
2021-07-08

Method for producing Ac-225 from Ra-226

 #13
20200211728
2020-07-02

EXCITATION TRANSFER IMPLEMENTATIONS FOR NON-EXPONENTIAL DECAY OF RADIOACTIVE SPECIES

 #14
20200203032
2020-06-25

Surrogate isotope-containing materials for emergency response training and Methods of formation and dispersal

 #15
20200152344
2020-05-14

Nuclear microbattery

 #16
20190347076
2019-11-14

Apparatus and method for generating quantum random number

 #17
20190228871
2019-07-25

Cyclotron facility for producing radioisotopes

 #18
20190103196
2019-04-04

Systems and methods for assaying an object

 #19
20190023494
2019-01-24

Conveyance system for operation in radioactive environment

 #20
20180033511
2018-02-01

Optoelectronic nuclear batteries based on radionuclide nanoencapsulation and organic photodiodes

 #21
20170320673
2017-11-09

Conveyance system for operation in radioactive environment

 #22
20170294244
2017-10-12

Protection devices for gamma radiography

 #23
20170178760
2017-06-22

Insoluble cesium glass

 #24
20160055928
2016-02-25

Method for preparation of alpha sources of polonium using sulfide micro-precipitation

 #25
20160053345
2016-02-25

PROCESS FOR ISOLATION AND PURIFICATION OF ASTATINE-211

 #26
20150181689
2015-06-25

Target device for neutron generating device, accelerator-excited neutron generating device and beam coupling method thereof

 #27
20140161665
2014-06-12

Radionuclide generator and method of sterilization

 #28
20140133617
2014-05-15

Method and system for simultaneous irradiation and elution capsule

 #29
20130266105
2013-10-10

Device for producing radioisotopes

 #30
20120187308
2012-07-26

Radionuclide generator and method of sterilization

 #31
20110073815
2011-03-31

Gamma radiation source

 #32
20100266083
2010-10-21

Method and system for simultaneous irradiation and elution capsule

 #33
20100038561
2010-02-18

Material activating device

 #34
20080272315
2008-11-06

Material activating device

 #35
20070098606
2007-05-03

Method for producing a sealed Pb—Po alpha particle emitter

 #36
20060210008
2006-09-21

Method for isomeric change in radioactive isotope