ClassID:

200515

G21H1/02 - CPC Classification

Classification description:

Arrangements for obtaining electrical energy from radioactive sources, e.g. from radioactive isotopes, nuclear or atomic batteries Cells charged directly by beta radiation

Recent Application in this class:
#1
20260011463
2026-01-08

SEMICONDUCTOR BETAVOLTAIC BATTERIES WITH P-N DIODES

#2
20250378971
2025-12-11

NUCLEAR POWER SOURCE, NUCLEAR BATTERY ASSEMBLY, AND A METHOD OF MANUFACTURE THEREOF

#3
20240312660
2024-09-19

High performance power sources integrating an ion media and radiation

#4
20240071643
2024-02-29

RADIATION-TO-GENERATOR SYSTEM FOR SPACE APPLICATIONS

#5
20230360816
2023-11-09

TRITIUM THERMOELECTRIC GENERATOR

#6
20230282384
2023-09-07

BETAVOLTAIC BATTERY AND METHOD FOR MANUFACTURING BETAVOLTAIC BATTERY

#7
20220238244
2022-07-28

BETAVOLTAIC DEVICES

#8
20220223310
2022-07-14

Radiation powered devices comprising diamond material and electrical power sources for radiation powered devices

#9
20220028571
2022-01-27

SEMICONDUCTOR DEVICES BEING EXPOSED TO RADIATION

#10
20210328086
2021-10-21

Betavoltaics with absorber layer containing coated scintillating particles

#11
20210210246
2021-07-08

Nuclear radiation particle power converter

#12
20200203033
2020-06-25

Radiation powered devices comprising diamond material and electrical power sources for radiation powered devices

#13
20200152344
2020-05-14

Nuclear microbattery

#14
20200043623
2020-02-06

Small form factor betavoltaic battery for use in applications requiring a volumetrically-small power source

#15
20190066861
2019-02-28

Nuclear radiation particle power converter

#16
20180372891
2018-12-27

Charge generating devices and methods of making and use thereof

#17
20180297947
2018-10-18

Tritiated nitroxides and uses thereof

#18
20180158561
2018-06-07

Power source and method of forming same

#19
20180126015
2018-05-10

Powering an in vivo device using energy from a radioactive source

#20
20180118559
2018-05-03

Micro-nuclear battery and energy conversion method thereof

#21
20180005720
2018-01-04

Small form factor betavoltaic battery for use in applications requiring a volumetrically-small power source

#22
20170309359
2017-10-26

Electrical generator system

#23
20160180980
2016-06-23

Beta voltaic battery and method of preparing the same

#24
20150279491
2015-10-01

Nuclear radiation particle power converter

#25
20130302650
2013-11-14

Self-recharging direct conversion electrical energy storage device and method

#26
20130278109
2013-10-24

Betavoltaic power sources for mobile device applications

#27
20130257473
2013-10-03

LONG-LIFE POWER SOURCE, LONG-LIFE EMBEDDED STRUCTURE SENSOR, REMOTE LONG-LIFE FLUID MEASUREMENT AND ANALYSIS SYSTEM, LONG-LIFE OFF-GRID ENCLOSED SPACE PROXIMITY CHANGE DETECTOR, SURFACE-MOUNT ENCRYPTION DEVICE WITH VOLATILE LONG-LIFE KEY STORAGE AND VOLUME INTRUSION RESPONSE, AND PORTABLE ENCRYPTED DATA STORAGE WITH VOLATILE LONG-LIFE KEY STORAGE AND VOLUME INTRUSION RESPONSE

#28
20130083879
2013-04-04

In-core instrument thimble assembly

#29
20120305241
2012-12-06

Atomic battery powered downhole completions assembly

#30
20120175999
2012-07-12

Radioisotope fueled rotary actuator for micro and nano vehicles

#31
20120149142
2012-06-14

Betavoltaic battery with a shallow junction and a method for making same

#32
20120133244
2012-05-31

Nuclear batteries

#33
20120080978
2012-04-05

RADIOACTIVE ISOTOPE ELECTROSTATIC GENERATOR

#34
20120038243
2012-02-16

High efficiency 4-π negatron β-3 particle emission source fabrication and its use as an electrode in a self-charged high-voltage capacitor

#35
20110287567
2011-11-24

Betavoltaic battery with a shallow junction and a method for making same

#36
20110266916
2011-11-03

TRITIUM BATTERY

#37
20110241839
2011-10-06

Self-powered, piezo-surface acoustic wave apparatus and method

#38
20110241144
2011-10-06

Nuclear batteries

#39
20110086456
2011-04-14

Betavoltaic battery with a shallow junction and a method for making same

#40
20110079791
2011-04-07

Betavoltaic cell

#41
20100246740
2010-09-30

Nuclear Material Tracers

#42
20070273244
2007-11-29

High efficiency radio isotope energy converters using both charge and kinetic energy of emitted particles

#43
20070080605
2007-04-12

Betavoltaic cell

#44
17688893
2025-11-04

Small form factor betavoltaic battery for use in applications requiring a volumetrically small power source

#45
15586943
2019-05-14

Methods of doping semiconductor materials and metastable doped semiconductor materials produced thereby

#46
14658693
2018-08-14

Method and apparatus for a radioisotope powered electromagnetic signal generator and transmitter

#47
13999916
2016-04-05

Process for the production of electric energy for spacecraft utilizing the collection of charged particles in space

#48
13852009
2015-01-20

Beta voltaic semiconductor diode fabricated from a radioisotope

#49
13022680
2015-04-28

Beta voltaic semiconductor photodiode fabricated from a radioisotope