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USPTO Patent Rankings Data through Dec 31, 2025
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David S. Lyttle — 9 Patents

GTGtat: 9 patents #5 of 101Top 5%
Amherst, NH: #52 of 319 inventorsTop 20%
New Hampshire: #1,700 of 12,181 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
David S. Lyttle has been granted 9 US patents while listed as an inventor at Gtat. The first was granted in 2016 and the most recent in February 2023. David S. Lyttle ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list David S. Lyttle in Amherst, NH, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11591714 Apparatus for producing bulk silicon carbide Roman V. Drachev, Santhanaraghavan Parthasarathy, Andriy M. Andrukhiv 2023-02-28
11505876 Method for producing bulk silicon carbide Roman V. Drachev, Santhanaraghavan Parthasarathy, Andriy M. Andrukhiv 2022-11-22
11434582 Method for producing bulk silicon carbide by sublimation of a silicon carbide precursor prepared from silicon and carbon particles or particulate silicon carbide Roman V. Drachev, Santhanaraghavan Parthasarathy, Andriy M. Andrukhiv 2022-09-06
11421343 Method and apparatus for producing bulk silicon carbide using a silicon carbide seed Roman V. Drachev, Andriy M. Andrukhiv, Santhanaraghavan Parthasarathy 2022-08-23
10851473 Apparatus for producing bulk silicon carbide Roman V. Drachev, Parthasarathy Santhanaraghavan, Andriy M. Andrukhiv 2020-12-01
10801126 Method for producing bulk silicon carbide Roman V. Drachev, Parthasarathy Santhanaraghavan, Andriy M. Andrukhiv 2020-10-13
10793971 Method and apparatus for producing bulk silicon carbide using a silicon carbide seed Roman V. Drachev, Andriy M. Andrukhiv, Parthasarathy Santhanaraghavan 2020-10-06
10633762 Method for producing bulk silicon carbide by sublimation of a silicon carbide precursor prepared from silicon and carbon particles or particulate silicon carbide Roman V. Drachev, Parthasarathy Santhanaraghavan, Andriy M. Andrukhiv 2020-04-28
9512542 Bulk silicon carbide having low defect density Roman V. Drachev, Parthasarathy Santhanaraghavan, Andriy M. Andrukhiv 2016-12-06