Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Wentzel — 10 Patents

LLLucidity Lights: 6 patents #4 of 23Top 20%
OSOsram Sylvania: 4 patents #226 of 820Top 30%
Eliot, ME: #6 of 45 inventorsTop 15%
Maine: #399 of 4,281 inventorsTop 10%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
David Wentzel has been granted 10 US patents while listed as an inventor at Lucidity Lights. The first was granted in 1998 and the most recent in November 2018. David Wentzel ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David Wentzel in Eliot, ME, US.

Patents per Year

Patents granted per year, 1998 to 2018Bar chart with a peak of 3 patents in 2015.peak 31998: 1 patents19981999: 1 patents19992003: 1 patents20032008: 1 patents20082015: 3 patents20152016: 2 patents20162018: 1 patents2018

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10141179 Fast start RF induction lamp with metallic structure John R. Goscha, Walter P. Lapatovich, David Alan Goodman, Felix I. Alexandrov 2018-11-27
9524861 Fast start RF induction lamp John R. Goscha, Walter P. Lapatovich, David Alan Goodman 2016-12-20
9245734 Fast start induction RF fluorescent lamp with burst-mode dimming John R. Goscha, Victor D. Roberts, Walter P. Lapatovich, David Alan Goodman, Thomas Farkas 2016-01-26
9209008 Fast start induction RF fluorescent light bulb John R. Goscha, Walter P. Lapatovich, David Alan Goodman 2015-12-08
9129792 Fast start induction RF fluorescent lamp with reduced electromagnetic interference John R. Goscha, Walter P. Lapatovich, James N. Lester, David Alan Goodman, Zeng Zhi Yu 2015-09-08
8941304 Fast start dimmable induction RF fluorescent light bulb John R. Goscha, Victor D. Roberts, Walter P. Lapatovich, David Alan Goodman 2015-01-27
7417363 Containment vessel for light source capsules operating at other than the pressure of a surrounding gas William D. Koenigsberg, David W. Johnston, John Selverian, Walter P. Lapatovich 2008-08-26
6528953 Amalgam retainer Nicolas Pearson, Joseph V. Lima 2003-03-04
5932961 Closed-loop tubular lamp envelope and method of manufacture Gregory Zaslavsky, Joseph V. Lima 1999-08-03
5722549 Closed-loop tubular lamp envelope and method of manufacture Gregory Zaslavsky, Joseph V. Lima 1998-03-03