Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Souvik Nandi — 46 Patents

JMJohns Manville: 44 patents #6 of 372Top 2%
UNUnknown: 2 patents #12,644 of 83,584Top 20%
Highlands Ranch, CO: #5 of 703 inventorsTop 1%
Colorado: #506 of 40,980 inventorsTop 2%
Overall (All Time): #62,001 of 4,157,543Top 2%
46 Patents All Time
Souvik Nandi has been granted 46 US patents while listed as an inventor at Johns Manville. The first was granted in 2010 and the most recent in June 2025. Souvik Nandi ranks #62,001 of 4,157,543 US inventors in our database (top 1.5%). Patent records list Souvik Nandi in Highlands Ranch, CO, US.

Patents per Year

Patents granted per year, 2010 to 2025Bar chart with a peak of 6 patents in 2017.peak 62010: 2 patents20102011: 2 patents2015: 3 patents20152016: 2 patents2017: 6 patents20172018: 6 patents2019: 5 patents20192020: 5 patents2021: 5 patents20212022: 2 patents2023: 3 patents20232024: 2 patents2025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 46 patents

Patent #TitleCo-InventorsDate
12320064 Carpet tile with wet laid dual layer nonwoven mat Richard Hausman, Philip Christopher Sharpe, Steven Westbrook 2025-06-03
12308469 Mat made of glass fibers or polyolefin fibers used as a separator in a lead-acid battery Zhuhua Guo, Jawed Asrar, Albert G. Dietz, III 2025-05-20
12220895 Multilayer facer Glenda Bennett, Thomas Matthews 2025-02-11
12074329 Acid battery pasting carrier Heath H. Himstedt, John Scherlein 2024-08-27
11951712 Multilayer facer Glenda Bennett, Thomas Matthews 2024-04-09
11825970 Scrim-reinforced cushion mat for carpet tiles Heath H. Himstedt, Katelyn Grace Horn, Philip Christopher Sharpe 2023-11-28
11814785 Reinforced polymeric nonwoven mat for carpet tiles Heath H. Himstedt, Philip Christopher Sharpe 2023-11-14
11618997 Reinforced polymeric nonwoven mat for carpet tiles Heath H. Himstedt, Philip Christopher Sharpe 2023-04-04
11510515 Scrim-reinforced cushion mat for carpet tiles Heath H. Himstedt, Katelyn Grace Horn, Philip Christopher Sharpe 2022-11-29
11417889 Acid battery pasting carrier Heath H. Himstedt, John Scherlein 2022-08-16
11124448 Curable fiberglass binder Bernhard Eckert, Bernd Christensen, Kiarash Alavi, Jawed Asrar, Mingfu Zhang 2021-09-21
11018333 Conductive mat for battery electrode plate reinforcement and methods of use therefor Zhihua Guo, Jawed Asrar, Albert G. Dietz, III 2021-05-25
11005139 Mat made of glass fibers or polyolefin fibers used as a separator in a lead-acid battery Zhuhua Guo, Jawed Asrar, Albert G. Dietz, III 2021-05-11
10971709 Battery electrode plate reinforcement mat having improved wettability characteristics and methods of use therefor Zhihua Guo, Jawed Asrar, Albert G. Dietz, III 2021-04-06
10957913 Gauntlet lead-acid battery systems Michael Ketzer, Zhihua Guo, Werner Groh 2021-03-23
10777797 Composite separator for lithium ion batteries Heath H. Himstedt 2020-09-15
10696588 Curable fiberglass binder comprising salt of inorganic acid Bernd Christensen, Kiarash Alavi, Jawed Asrar, Mingfu Zhang 2020-06-30
10622639 Acid battery pasting carrier Heath H. Himstedt, John Scherlein 2020-04-14
10618248 Multilayer facer manufacturing system Glenda Bennett, Thomas Matthews 2020-04-14
10569508 Multilayer facer Glenda Bennett, Thomas Matthews 2020-02-25
10411236 Mat made of glass fibers or polyolefin fibers used as a separator in a lead-acid battery Zhihua Guo, Jawed Asrar, Albert G. Dietz, III 2019-09-10
10396327 Acid resistant glass mats that include binders with hydrophilic agents Albert G. Dietz, III, Zhihua Guo, Gautam Sharma 2019-08-27
10283746 Small pore size nonwoven mat with hydrophilic/acid resistant filler used in lead acid batteries and applications therefor Zhihua Guo, Gautam Sharma, Jawed Asrar, Albert G. Dietz, III 2019-05-07
10256445 Composite separator for lithium ion batteries Heath H. Himstedt 2019-04-09
10193138 Glass-fiber containing composite materials for alkali metal-based batteries and methods of making Alan Michael Jaffee, Kristin Franz Goya Obernyer, Albert G. Dietz, III 2019-01-29