Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Rolfe E. Buhrke — 6 Patents

ATAT&T: 5 patents #3,621 of 18,772Top 20%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Westchester, IL: #13 of 124 inventorsTop 15%
Illinois: #15,248 of 84,256 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Rolfe E. Buhrke has been granted 6 US patents while listed as an inventor at AT&T. The first was granted in 1990 and the most recent in August 2005. Rolfe E. Buhrke ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Rolfe E. Buhrke in Westchester, IL, US.

Patents per Year

Patents granted per year, 1990 to 2005Bar chart with a peak of 2 patents in 1990.peak 21990: 2 patents19901991: 1 patents19911993: 1 patents19931994: 1 patents19942005: 1 patents2005

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6925082 ATM packet access gateway Edward Clark, Ronald Davis, Robert Dianda, Shang-Fon Su, Margaret Hueying Yang +1 more 2005-08-02 $11,883,000
5280470 Bandwidth and congestion management in accessing broadband Robert Dianda, Vikram Punj, Ronald A. Spanke, Nancy Stevens 1994-01-18
5231631 Arrangement for regulating traffic in a high speed data network Dennis L. DeBruler, Vikram Punj 1993-07-27
5012466 Call service initialization arrangement Robert Dianda, Leo R. Katzenstein, Michael McClurkan, John S. Tsai 1991-04-30
4958343 Communication channel reservation Gabriela M. Abramovici, Bopsi Chandramouli, Robert Dianda, Leo R. Katzenstein, Thomas M. O'Connor +2 more 1990-09-18
4894822 Fast packetized data delivery for digital networks James A. Davis, Douglas A. Spencer 1990-01-16