DZ

Da Zhang

CA Carrier: 6 patents #345 of 2,507Top 15%
PP Power Plus Products: 3 patents #1 of 3Top 35%
Northwestern University: 2 patents #821 of 3,846Top 25%
YU Yanshan University: 1 patents #86 of 296Top 30%
Overall (All Time): #362,905 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12286850 Full-hole reverse circulation cluster-type down-the-hole (DTH) hammer with multiple independent channels Yechen Zhao, Chengliang Yan, Fengzheng Jing, Yeshui Zhao, Yechun Zhao 2025-04-29
11506266 Class of over-constrained two-rotation parallel mechanism with same kinematics Nijia Ye, Bo Hu, Jinjun Zhao, Luzhou Xu, Kai Wang +1 more 2022-11-22
11404954 Pulse width modulation interleaving Thomas Bekasi, Ismail Agirman, Bassel Al-Annouf, Christopher S. Czerwinski, Jeffrey M. Izard 2022-08-02
10554116 Pulse width modulation upshift at partial load to improve total harmonic cancellation performance for chiller applications Bassel Al-Annouf 2020-02-04
10385852 Method for soft expulsion of a fluid from a compressor at start-up Richard T. Pandzik, William Perdikakis, Mark Edward Rollins 2019-08-20
9774275 Systems and methods for space vector pulse width modulation switching using boot-strap charging circuits William Perdikakis, Thomas Gietzold 2017-09-26
9263979 Method for smooth motor startup Thomas Gietzold, Subbarao Varigonda, Salih Baris Ozturk 2016-02-16
8840383 Method and apparatus for improved, high-pressure, fluid pump 2014-09-23
8661891 Apparatus and method for measuring the liquid level of molten metal Zhi Xie, Zhenwei Hu, Ying Ci 2014-03-04
8643217 Apparatus and method for boosting output of a generator set Thomas Gietzold, Jeffrey J. Burchill, Weiqian Hu 2014-02-04
8636234 Flexible spray nozzle for high pressure washers 2014-01-28
8245957 Flexible spray nozzle for high pressure washers 2012-08-21
8104954 Apparatus and method for measuring the surface temperature of continuous casting billet/slab Zhi Xie, Zhenwei Hu, Ying Ci 2012-01-31