DE

David L. Epperson

FL Fluke: 18 patents #13 of 518Top 3%
JC John Fluke Mfg. Co.: 2 patents #33 of 128Top 30%
Overall (All Time): #220,198 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11237192 Non-contact current measurement system Ricardo Rodriguez, Ronald Steuer, Jeffrey Worones 2022-02-01
11125783 Wireless Rogowski coil system Matthew Carl-Robert Bannister, Clark N. Huber 2021-09-21
10605832 Sensor subsystems for non-contact voltage measurement devices Ronald Steuer, Jeffrey Worones, Patrick Scott Hunter, Ricardo Rodriguez 2020-03-31
10591515 Non-contact current measurement system Ricardo Rodriguez, Ronald Steuer, Jeffrey Worones 2020-03-17
10473696 Wireless rogowski coil system Matthew Carl-Robert Bannister, Clark N. Huber 2019-11-12
10359494 Proving unit for non-contact voltage measurement systems Ricardo Rodriguez 2019-07-23
10352967 Non-contact electrical parameter measurement systems Ronald Steuer, Peter Radda, Ricardo Rodriguez, Patrick Scott Hunter, Paul A. Ringsrud +4 more 2019-07-16
10254375 Proving unit for voltage measurement systems Ricardo Rodriguez 2019-04-09
10209271 Handheld measurement system with selectable options Glen Howard Vetter, Joseph V. Ferrante 2019-02-19
10095659 Handheld devices, systems, and methods for measuring parameters Luis Alberto Katz, Henricus Koppelmans, Paul H. Heydron 2018-10-09
9933459 Magnetically coupled ground reference probe Jeffrey Worones, Ricardo Rodriguez 2018-04-03
9874547 Wireless combustion/efficiency analyzer 2018-01-23
9766270 Wireless test measurement Paul H. Heydron, Jeetendra Patel 2017-09-19
9739801 Analytical gateway device for measurement devices Thomas Anderson 2017-08-22
9735588 Power source system with multiple electrical outputs John M. Gilbert, Paul A. Ringsrud 2017-08-15
9606146 Wireless rogowski coil system Matthew Carl-Robert Bannister, Clark N. Huber 2017-03-28
9551597 Measurement system with image capture capabilities Glen Howard Vetter 2017-01-24
9377485 Handheld measurement system with selectable options Glen Howard Vetter, Joseph V. Ferrante 2016-06-28
4965421 Particulate spacers for touch sensitive overlay panel applications 1990-10-23
4696860 Particulate spacers for inhibiting Newton rings in touch sensitive overlays 1987-09-29