Qing Li — 13 Patents at Ipex Technologies

Qing Li has been granted 13 US patents while listed as an inventor at Ipex Technologies. The first was granted in 2011 and the most recent in March 2025. Qing Li ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Qing Li in Oakville, ON, CA.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date
12259067	Composite transition fitting	Jeffrey Vincent Littlefield, Filippo Martino	2025-03-25
11808384	Composite transition fitting	Jeffrey Vincent Littlefield, Filippo Martino	2023-11-07
11525528	Composite transition fitting	Jeffrey Vincent Littlefield, Filippo Martino	2022-12-13
11460134	Releasable connect/disconnect fitting connection	Jis Simon, Filippo Martino, Ivan Lee Stiehl, James Bruce Anthony Campbell, Raymond George Puache +1 more	2022-10-04
10844988	Releasable connect/disconnect fitting connection	Jis Simon, Filippo Martino, Ivan Lee Stiehl, James Bruce Anthony Campbell, Raymond George Puache +1 more	2020-11-24
D888901	Fitting	Jis Simon, Filippo Martino, Ivan Lee Stiehl, James Bruce Anthony Campbell, Raymond George Puache +1 more	2020-06-30
D874619	Fitting	Jis Simon, Filippo Martino, Ivan Lee Stiehl, James Bruce Anthony Campbell, Raymond George Puache +1 more	2020-02-04
10199939	Multi-phase DC-DC converters with open-loop PWM for transient performance enhancement	Kevin Yi Cheng Chang, James T. Doyle, Xiaoying Yu, Ibiyemi Omole, Jonathon Stiff +2 more	2019-02-05
D819573	Receptacle connector	Zhu Liu, Jui-Ming Chang	2018-06-05
9653827	Battery connector with large current carrying capacity	Jui-Ming Chang	2017-05-16
9640917	Electrical connector	Zhu Liu, Jui-Ming Chang	2017-05-02
7972181	Compound female connector	Yong Zhu, You-wen Liu	2011-07-05
7938659	Compound connector plug	Yong Zhu, You-wen Liu	2011-05-10

Qing Li — 13 Patents

Issued Patents All Time

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