PATENTSInventor or co-inventor of two dozen patents and over 40 patent applications including advanced energy surgical instrument design, tissue effect heuristics, signal processing and controls, “smart” surgical instruments, and novel wideband power electronics and sensors unique to surgical energy equipment.

1. 9186202 Electrosurgical Generator2. 9116179 System and method for voltage and current sensing3. 8968293 Systems and methods for calibrating power measurements in an electrosurgical generator4. 8945115 System and method for power supply noise reduction5. 8932282 Power level transitioning in a surgical instrument6. 8878434 Inductively-coupled plasma device7. 8814864 Method of manufacturing tissue sealing electrodes8. 8790335 Electrosurgical generator9. 8779852 Class resonant-H electrosurgical generators10. 8760226 Class resonant-H electrosurgical generators11. 8685015 System and method for multi-pole phase-shifted radio frequency application12. 8665031 System and method for improved start-up of self-oscillating electro-mechanical surgical devices13. 8624606 System and method for augmented impedance sensing14. 8610501 Class resonant-H electrosurgical generators15. 8569925 Low energy or minimum disturbance method for measuring frequency response functions of

ultrasonic surgical devices in determining optimum operating point16. 8568400 Methods and apparatus for smart handset design in surgical instruments17. 8390169 Low energy or minimum disturbance method for measuring frequency response functions of

ultrasonic surgical devices in determining optimum operating point18. 8382751 System and method for power supply noise reduction19. 8377054 Automatic control circuit for use in an electrosurgical generator20. 8298225 System and method for return electrode monitoring21. 8258886 System and method for improved start-up of self-oscillating electro-mechanical surgical devices22. 8222822 Inductively-coupled plasma device23. 8207651 Low energy or minimum disturbance method for measuring frequency response functions of

ultrasonic surgical devices in determining optimum operating point24. 7956620 System and method for augmented impedance sensing

CONFERENCE PAPERS AND PUBLICATIONSLead or co-author on numerous conference papers and peer reviewed journal articles, some available upon request.

1. Jensen, S.; Maksimovic, D.; Friedrichs, D.; Gilbert, J.; “Fast tracking electrosurgical generator using GaN switches;” in Applied Power Electronics Conference and Exposition (APEC), 2015 IEEE , vol., no., pp.1404-1408; 15-19 March 2015

2. X. Liu, A. Colli-Menchi, J. Gilbert, D. Friedrichs, K. Malang, E. Sanchez-Sinencio; “An automatic resonance tracking scheme with maximum power transfer for piezoelectric transducers;” IEEE Transactions on Industrial Electronics, Vol. PP, Issue 99; Ma. 2015

3. Y. Hazrat, D. Friedrichs, C. Ford, J. Gilbert, “Accelerometry to quantify frequency-dependence of surgical energy-induced neuromuscular stimulation” IEEE Biomedical Circuits and Systems Conference (BioCAS), Oct 2014

4. A. Amin, D. Friedrichs, C. Ford, E. Larson, J. Gilbert, “An automated test system for measuring and improving electrosurgical effects,” IEEE International Symposium on Medical Measurements and Application Procedeedings (MeMeA), Jan 2013

5. D. Friedrichs, J. Gilbert, J.Sartor, “New bipolar and hybrid Argon Plasma Coagulation technologies enable improved electrosurgical results,” IEEE Biomedical Circuits and Systems Conference (BioCAS), Jan 2013.

6. D. Friedrichs, R. Erickson, and J. Gilbert; “A new dual current-mode controller improves power regulation in electrosurgical generators;” IEEE Transactions on Biomedical Circuits and Systems, Vol. 6, Issue 1; Feb. 2012

7. D. Friedrichs, R. Erickson, and J. Gilbert; “A new system architecture improves output power regulation in electrosurgical generators;” Engineering in Medicine and Biology Society, EMBC 2011 Annual International Conference of the IEEE, pp. 6870-6873, Aug. 30 2011-Sept. 3 2011

8. J. Gilbert; “Measuring and Controlling Load Power with Embedded Processors: Is there an Easy Way?” Presentation for the IEEE Signal Processing Society - Denver Section; May 2011.

9. J. Gilbert and D. Farrell; “An FPGA implementation of a digital QRS detector;” ICSPAT Proceedings. Miller Freeman, 1999

10. D. Farrell and J. Gilbert; “Dithering and encoding methods to benefit the application of DSP in PCM systems;” Proc. of the ICSPAT, 1998

11. D. Farrell and J. Gilbert; “Methods for Improving the Signal to Total Distortion and Gain Variation with Input Level for PCM Transmission and Switching Systems;” Proc. of the ICSPAT, 1997

12. L. Eriksson, M. Allie, C. Bremigan and J. Gilbert; “Active noise control on systems with time-varying sources and parameters;” Sound and Vibration; 1989

13. L. Eriksson, M. Allie, C. Bremigan and J. Gilbert; “Weight vector analysis of an RLMS adaptive filter with on-line auxiliary path modeling;” ICASSP-89; 1989

14. L. Eriksson, M. Allie, C. Bremigan and J. Gilbert, “Active noise control and specifications for fan noise problems;” Proc. Of Noise Control; 1988

15. L. Eriksson, M. Allie, C. Bremigan and J. Gilbert; “Active noise control on systems with time-varying sources and acoustical elements;” J. Acoust. Soc. Am.; Vol. 84, Issue S1; 1988

16. L. Eriksson, M. Allie, C. Bremigan and J. Gilbert; “The use of active noise control for industrial fan noise;” ASME Winter Annual Meeting; Chicago, IL; Paper 88-WA/NCA-4; 1988

REFERENCESProf. Dragan Maksimovic, ECEE Department 425 UCB, University of Colorado, Boulder, CO 80309-0425

Wade Lukiano, President & CEO, Tensentric, Inc., 2900 Center Green Court, Boulder, CO 80301

David Farrell, President and Founder, Colorado Electronic Product Design, Inc., 5485 Conestoga Court, Suite 210, Boulder, CO 80301

William Gregg, Managing Director, Eximis Surgical, LLC, 856 Trail Ridge Dr., Louisville, CO 80027

Dale Schmaltz, Director of Engineering, Founder, Board Member, Just Right Surgical, LLC, 6325 Gunpark Dr., Suite G, Boulder, CO 80301

Phone and email available upon request.