Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Patrick T. MacLellan — 8 Patents

Delphi Technologies: 7 patents #426 of 4,124Top 15%
KEKelsey-Hayes-Company: 1 patents #155 of 387Top 45%
Dayton, OH: #231 of 1,892 inventorsTop 15%
Ohio: #10,270 of 73,341 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Patrick T. MacLellan has been granted 8 US patents while listed as an inventor at Delphi Technologies. The first was granted in 2003 and the most recent in October 2015. Patrick T. MacLellan ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Patrick T. MacLellan in Dayton, OH, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9168904 Input and output rods for vacuum brake booster 2015-10-27
6920818 Dual tandem power piston-attachment concept Michel Vermoesen, Ryan M. Elking, Derek Thomas Dreischarf 2005-07-26 $2,191,000
6912946 System and method for improved controlled airflow within a vacuum booster system Timothy A. Haerr, Gary C. Fulks, Ryan M. Elking, Derek Thomas Dreischarf 2005-07-05 $5,233,000
6772674 Tie rod apparatus and method for assembling a vacuum booster Michael A. Kasselman, Michel Vermoesen 2004-08-10 $1,630,000
6681681 Vacuum booster rear bearing Bernard Petin, Michael A. Kasselman, Michel Vermoesen, Timothy G. Newman 2004-01-27 $4,967,000
6637837 Vacuum booster air intake via engine compartment breather passage Bernard Petin 2003-10-28 $1,083,000
6588317 Power booster sealing mechanism Bernard Petin, Roger Sexton, Philippe Castel, Michael A. Kasselman, Mike W. Fanelli +1 more 2003-07-08 $1,459,000
6550367 Airvalve assembly for a brake booster Bernard Petin, Michael A. Kasselman 2003-04-22 $2,924,000