Gregory Piefer — 15 Patents at Shine Technologies

Gregory Piefer has been granted 15 US patents while listed as an inventor at Shine Technologies. The first was granted in 2014 and the most recent in December 2025. Gregory Piefer ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Gregory Piefer in Janesville, WI, US.

Patents per Year

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #	Title	Co-Inventors	Date
12505931	Segmented reaction chamber for radioisotope production	Thomas R. Mackie	2025-12-23
12444515	Device and method for producing medical isotopes	—	2025-10-14
12342447	Ion source and neutron generator	Richard Sisson	2025-06-24
12247268	Separation of rare earth elements	Eric Van Abel, Richard Sisson	2025-03-11
12157930	Separation of rare earth elements	Eric Van Abel, Richard Sisson	2024-12-03
11894157	Segmented reaction chamber for radioisotope production	Thomas R. Mackie	2024-02-06
11830637	Device and method for producing medical isotopes	—	2023-11-28
11361873	Aqueous assembly and control method	Eric Van Abel	2022-06-14
11238999	Apparatus and method for generating medical isotopes	Thad Alexander Heltemes, Eric Van Abel, Ross Radel	2022-02-01
10978214	Segmented reaction chamber for radioisotope production	Thomas R. Mackie	2021-04-13
10734126	Methods of separating medical isotopes from uranium solutions	—	2020-08-04
10332646	Apparatus and method for generating medical isotopes	Thad Alexander Heltemes, Eric Van Abel, Ross Radel	2019-06-25
9734926	Device and method for producing medical isotopes	—	2017-08-15
9024261	Method and apparatus for performing active neutron interrogation of containters	—	2015-05-05
8837662	High energy proton or neutron source	—	2014-09-16