Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DM

David P. Markman

ECEmc Tech Co.: 3 patents #3 of 9Top 35%
Dresher, PA: #44 of 120 inventorsTop 40%
Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,618,477 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6459254 Power sensing RF termination apparatus including temperature compensation means Joseph Mazzochette, Robert J. Blacka 2002-10-01
6147481 Termination for RF circuit which senses changes in power and which is not temperature sensitive Joseph Mazzochette, Robert J. Blacka 2000-11-14
5999064 Heated temperature variable attenuator Robert J. Blacka, Joseph Mazzochette 1999-12-07