Description
CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES (applications of radiation in general G21H 5/00; handling particles, e.g. neutrons, or electromagnetic radiation not otherwise provided for G21K)
G21G
Technology
Stats
- 905 US PATENTS IN FORCE
- 348 US APPLICATIONS PENDING
- 929 Total Patent Owners
- 5,557 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation, or particle bombardment, e.g. producing radioactive isotopes (by thermonuclear reactions in nuclear reactors G21B ; conversion of nuclear fuel in nuclear reactors G21C ) |
| 1/02 | Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation, or particle bombardment, e.g. producing radioactive isotopes (by thermonuclear reactions in nuclear reactors G21B ; conversion of nuclear fuel in nuclear reactors G21C ) in nuclear reactors |
| 1/04 | Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation, or particle bombardment, e.g. producing radioactive isotopes (by thermonuclear reactions in nuclear reactors G21B ; conversion of nuclear fuel in nuclear reactors G21C ) outside of nuclear reactors or particle accelerators |
| 1/06 | Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation, or particle bombardment, e.g. producing radioactive isotopes (by thermonuclear reactions in nuclear reactors G21B ; conversion of nuclear fuel in nuclear reactors G21C ) outside of nuclear reactors or particle accelerators by neutron irradiation |
| 1/08 | Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation, or particle bombardment, e.g. producing radioactive isotopes (by thermonuclear reactions in nuclear reactors G21B ; conversion of nuclear fuel in nuclear reactors G21C ) outside of nuclear reactors or particle accelerators by neutron irradiation accompanied by nuclear fission |
| 1/10 | Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation, or particle bombardment, e.g. producing radioactive isotopes (by thermonuclear reactions in nuclear reactors G21B ; conversion of nuclear fuel in nuclear reactors G21C ) outside of nuclear reactors or particle accelerators by bombardment with electrically-charged particles (irradiation devices G21K 5/00) |
| 1/12 | Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation, or particle bombardment, e.g. producing radioactive isotopes (by thermonuclear reactions in nuclear reactors G21B ; conversion of nuclear fuel in nuclear reactors G21C ) outside of nuclear reactors or particle accelerators by electromagnetic irradiation, e.g. with gamma or X-rays (irradiation devices G21K 5/00 ) |
| 4/00 | Radioactive sources |
| 4/02 | Radioactive sources Neutron sources |
| 4/04 | Radioactive sources Radioactive sources other than neutron sources (radioactive dressings A61M 36/14) |
| 4/06 | Radioactive sources Radioactive sources other than neutron sources (radioactive dressings A61M 36/14) characterised by constructional features |
| 4/08 | Radioactive sources Radioactive sources other than neutron sources (radioactive dressings A61M 36/14) characterised by constructional features specially adapted for medical applications (radiation therapy using radioactive sources A61N 5/1) |
| 4/10 | Radioactive sources Radioactive sources other than neutron sources (radioactive dressings A61M 36/14) with radium emanation |
| 5/00 | Alleged conversion of chemical elements by chemical reaction |
| 7/00 | Conversion of chemical elements not provided for in other groups of this subclass |
Recent Patents
Not Available
Recent Publications
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Top Owners in This Class
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Applications Filed in This Class - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 38 Months (last 2 years Issuances)
- 38 Months (last 5 years Issuances)