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

Andreas Dittrich — 4 Patents

ASAsea Brown Boveri, S.A.: 1 patents #358 of 1,048Top 35%
BGBritish American Tobacco (Germany) Gmbh: 1 patents #12 of 36Top 35%
ATAT&T: 1 patents #10,636 of 18,772Top 60%
Zürich, CH: #776 of 3,852 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Andreas Dittrich has been granted 4 US patents while listed as an inventor at AT&T. The first was granted in 1997 and the most recent in March 2019. Andreas Dittrich ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Andreas Dittrich in Zürich, CH.

Patents per Year

Patents granted per year, 1997 to 2019Bar chart with a peak of 1 patents in 1997.peak 11997: 1 patents19972005: 1 patents20052007: 1 patents20072019: 1 patents2019

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10230251 Station for charging and holding telecommunications devices 2019-03-12
7161980 Receiver for high rate digital communication system Wolfgang Emil Michael Sauer-Greff, Ralph Urbansky 2007-01-09
6857358 Device and method for marking cigarette packets Hans-Werner Fuchs, Bernd Rabenstein 2005-02-22
5616970 Method and circuit arrangement for driving semiconductor switches in a series circuit 1997-04-01 $338,000