DF

Daniel A. Friedrichs

CL Covidien Lp: 37 patents #125 of 2,878Top 5%
UC University of Colorado, A Body Corporate: 2 patents #198 of 1,219Top 20%
MI Minnetronix: 1 patents #24 of 34Top 75%
Overall (All Time): #85,150 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 25 most recent of 38 patents

Patent #TitleCo-InventorsDate
12426936 Ultrasonic and radiofrequency energy production and control from a single power converter Steven C. Rupp, Robert B. Smith 2025-09-30
12127761 Surgical instruments incorporating ultrasonic and electrosurgical functionality Thomas W. Meiser, David J. Van Tol, Rachael L. Kabala 2024-10-29
12064622 Medical devices for ablating tissue Lori Lucke, Vlad Bluvshtein 2024-08-20
11864814 System and method for harmonic control of dual-output generators Daniel Jes Costinett, Bradford C. Trento, Chongwen Zhao 2024-01-09
11648026 Devices, systems, and methods for cooling a surgical instrument James E. Thompson, Robert B. Smith 2023-05-16
11596978 Electrosurgical ultrasonic vessel sealing and dissecting system Xiaosen Liu, Adrian I. Colli-Menchi, James A. Gilbert, Keith W. Malang, Edgar Sanchez-Sinencio 2023-03-07
11589889 Surgical instruments incorporating ultrasonic and electrosurgical functionality Thomas W. Meiser, David J. Van Tol, Rachael L. Kabala 2023-02-28
11179191 Electrosurgical instrument with end-effector assembly including electrically-conductive, tissue-engaging surfaces and switchable bipolar electrodes Joe D. Sartor 2021-11-23
11096737 System and method for harmonic control of dual-output generators Daniel Jes Costinett, Bradford C. Trento, Chongwen Zhao 2021-08-24
11090105 Ancillary circuit to induce zero voltage switching in a power converter Steven C. Rupp, Robert B. Smith 2021-08-17
11006997 Ultrasonic and radiofrequency energy production and control from a single power converter Steven C. Rupp, Robert B. Smith 2021-05-18
10973565 Interdigitation of waveforms for dual-output electrosurgical generators 2021-04-13
10898255 Bipolar plasma catheter Joe D. Sartor, William Scott Darrow 2021-01-26
10869712 System and method for high frequency leakage reduction through selective harmonic elimination in electrosurgical generators Mark A. Johnston, Daniel Jes Costinett, Bradford C. Trento, Chongwen Zhao 2020-12-22
10750605 Variable frequency excitation plasma device for thermal and non-thermal tissue effects James E. Thompson 2020-08-18
10729484 Electrosurgical generator with continuously and arbitrarily variable crest factor James A. Gilbert, Steven C. Rupp 2020-08-04
10646246 Devices, systems, and methods for cooling a surgical instrument James E. Thompson, Robert B. Smith 2020-05-12
10646266 System and method for return electrode monitoring Robert B. Smith, Steven C. Rupp 2020-05-12
10614949 Electrostatic shielding of planar magnetic devices of electrosurgical generators Robert B. Smith, Steven C. Rupp 2020-04-07
10610285 Electrosurgical generators James A. Gilbert 2020-04-07
10582962 System and method for harmonic control of dual-output generators Chongwen Zhao, Bradford C. Trento, Daniel Jes Costinett 2020-03-10
10568680 Electrosurgical system for multi-frequency interrogation of parasitic parameters of an electrosurgical instrument 2020-02-25
10537378 Variable active clipper circuit to control crest factor in an AC power converter Robert B. Smith, Steven C. Rupp 2020-01-21
10537377 Electrosurgical generator with half-cycle power regulation Robert B. Smith, Steven C. Rupp 2020-01-21
10492848 Ancillary circuit to induce zero voltage switching in a power converter Steven C. Rupp, Robert B. Smith 2019-12-03