Vistra has a total of 109 patents globally, out of which 83 have been granted. Of these 109 patents, 27 patents are active. United States Of America is where Vistra has filed maximum number of patents, followed by Japan and Australia. Parallelly, United States Of America seems to be the focused R&D centre of Vistra.
Vistra was founded in the year 1882. This company deals in all areas of the energy and retail businesses.
Do read about some of the most popular patents of Vistra which have been covered by us in this article and also you can find Vistra patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Vistra patent portfolio.
How many patents does Vistra have?
Vistra has a total of 109 patents globally. These patents belong to 63 unique patent families. Out of 109 patents, 27 patents are active.
How Many Patents did Vistra 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 | Vistra Applications Filed | Vistra Patents Granted |
| 2021 | 2 | 1 |
| 2020 | 1 | 3 |
| 2019 | 1 | 1 |
| 2018 | 1 | 2 |
| 2016 | 5 | 2 |
| 2015 | – | 1 |
| 2014 | 3 | 2 |
| 2013 | 3 | 6 |
| 2012 | 1 | 3 |
| 2011 | 7 | 4 |
How many Vistra patents are Alive/Dead?
How Many Patents did Vistra File in Different Countries?
Countries in which Vistra File Patents
| Countries | No. of Patents |
| United States Of America | 41 |
| Japan | 21 |
| Australia | 11 |
| Canada | 9 |
| Korea (South) | 8 |
| South Africa | 4 |
| China | 3 |
| Taiwan | 2 |
| Europe | 1 |
| Spain | 1 |
| Denmark | 1 |
| Germany | 1 |
| India | 1 |
Where are Research Centres of Vistra Patents Located?
10 Best Vistra Patents
US5898435A is the most popular patent in the Vistra portfolio. It has received 16 3citations so far from companies like Powerquest Corporation, Microsoft and Intertainer.
Below is the list of 10 most cited patents of Vistra:
| Publication Number | Citation Count |
| US5898435A | 163 |
| US5889872A | 163 |
| US6963285B2 | 146 |
| US4872886A | 146 |
| US4630939A | 72 |
| US6157874A | 58 |
| US7586420B2 | 52 |
| US8442917B1 | 42 |
| US4952218A | 34 |
| US8814804B2 | 32 |