DH

David P. Holzapfel

SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
SE Siemens Energy: 1 patents #497 of 1,016Top 50%
📍 Charlotte, NC: #1,817 of 4,868 inventorsTop 40%
🗺 North Carolina: #18,756 of 45,564 inventorsTop 45%
Overall (All Time): #1,875,315 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10982853 W501D5/D5A DF42 combustion system Charalambos Polyzopoulos, Richard L. Thackway, Stephen A. Ramier, Vinayak V. Barve, Khalil Farid Abou-Jaoude +7 more 2021-04-20
10533750 Cross ignition flame duct Daniel W. Garan, Richard L. Thackway, Stephen A. Ramier, Charalambos Polyzopoulos, Kevin J. Spence +1 more 2020-01-14