Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DL

Delmar E. Lehman — 5 Patents

JTJohnson Controls Technology: 4 patents #378 of 2,110Top 20%
YIYork International: 1 patents #82 of 154Top 55%
Chambersburg, PA: #27 of 197 inventorsTop 15%
Pennsylvania: #16,056 of 74,527 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Delmar E. Lehman has been granted 5 US patents while listed as an inventor at Johnson Controls Technology. The first was granted in 2008 and the most recent in October 2019. Delmar E. Lehman ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Delmar E. Lehman in Chambersburg, PA, US.

Patents per Year

Patents granted per year, 2008 to 2019Bar chart with a peak of 3 patents in 2019.peak 32008: 1 patents20082018: 1 patents20182019: 3 patents2019

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10451351 Thermosyphon coolers for cooling systems with cooling towers James W. Furlong, Joseph W. Pillis 2019-10-22
10302363 Thermosyphon coolers for cooling systems with cooling towers James W. Furlong, Joseph W. Pillis 2019-05-28
10295262 Thermosyphon coolers for cooling systems with cooling towers James W. Furlong, Joseph W. Pillis 2019-05-21
9939201 Thermosyphon coolers for cooling systems with cooling towers James W. Furlong, Joseph W. Pillis 2018-04-10
7440809 HTML driven embedded controller Dennis R. Thrush 2008-10-21