Chunqing Liu has filed 121 US patents. Of these 121 patents, more than 67% patents are active. “Given stats based on the United States of America data”.
Chunqing Liu currently associated with Honeywell as an R&D Fellow and Senior Manager. Previously he has worked with the University of Illinois and Northwestern University as Research Associate. Most oftenly, he published in the field of Organic chemistry and Membrane technology.
Do read about some of the most popular patents of Chunqing Liu which have been covered by us in this article and also you can find his patents filing tend over the years, the worldwide coverage, and many other stats over Chunqing Liu patent portfolio.
How many patents does Chunqing Liu have?
Chunqing Liu has a total of 121 US patents. These patents belong to 115 unique patent families. Out of 121 patents, 82 patents are active.
How Many Patents did Chunqing Liu File Every Year?
Are you wondering why there is a drop in patent filing for the last two years? It is because a patent application can take up to 18 months to get published. Certainly, it doesn’t suggest a decrease in the patent filing.
|Year of Patents Filing or Grant||Chunqing Liu Applications Filed||Chunqing Liu Patents Granted|
How many Chunqing Liu patents are Alive/Dead?
How Many Patents did Chunqing Liu File in Different Countries?
Countries in which Chunqing Liu Filed Patents
|Hong Kong (S.A.R.)||2|
10 Best Chunqing Liu Patents
US20110184581A1 is the most popular patent in the Chunqing Liu portfolio. It has received 60 citations so far from companies like Demi Energy, Basen Corporation and Asoka USA Corporation.
Below is the list of 10 most cited patents of Chunqing Liu:
|Publication Number||Citation Count|
How many inventions of other companies were rejected due to Chunqing Liu patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Chunqing Liu invention. They couldn’t because Chunqing Liu had protected those before them.
Examiners at the USPTO used 42 Chunqing Liu patents in 149 rejections (35 USC § 102 or 35 USC § 103 types).
The top companies who faced patents application rejections citing Chunqing Liu patent portfolio are Uop Llc, IBM, and Naurex.
List of the Companies who’s Patents were rejected citing Chunqing Liu –
|Company||Number of Patent Applications that faced Rejection Citing Chunqing Liu Patents||Number of Rejections (102 & 103)|
|Asoka Usa Corporation||2||5|
|Department Of Energy||2||4|
|Lifetime Income Technologies Inc||1||1|
|The Bank Of New York Mellon Trust Company Na||1||2|
|Renaissance Energy Research||1||1|
Count of 102 and 103 Type Rejections based on Chunqing Liu Patents
Top Chunqing Liu Patents used in Rejecting Most Patent Applications
|Patent Number||Count of Rejected Applications|