DR

David Ridley

UP UPS: 2 patents #267 of 650Top 45%
UT Unienergy Technologies: 1 patents #6 of 11Top 55%
📍 Shoreline, WA: #121 of 433 inventorsTop 30%
🗺 Washington: #23,018 of 76,902 inventorsTop 30%
Overall (All Time): #1,142,966 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11335938 Matching state of charge in a string Chenxi Sun, Jinfeng Wu, Liyu Li, Jacob Parks 2022-05-17
10135087 Matching state of charge in a string Chenxi Sun, Jinfeng Wu, Liyu Li, Jacob Parks 2018-11-20
8498818 Systems and methods for calculating emissions resulting from transporting a shipment James A Jones, Mark Matulevicus, David Guernsey 2013-07-30
7341186 Proof of presence and confirmation of parcel delivery systems and methods Walter R. Mrozik, Andrew Paul Funari, Dennis R. Estep, Robert L. Deckman 2008-03-11