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

John E. Halowell — 1 Patent in 2017

WBWestinghouse Air Brake: 1 patents #22 of 64Top 35%
Montgomery Village, MD: #1 of 9 inventorsTop 15%
Maryland: #983 of 3,610 inventorsTop 30%
Overall (2017): #369,271 of 506,227Top 75%
1 Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9783213 Impact resistant end of train device D. Andrew Gloyd, David McCary, Benjamin Henniges 2017-10-10 $37,868,000