Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Jonathan E. Schmidt — 59 Patents

PEPerftech: 45 patents #4 of 9Top 45%
Intel: 5 patents #7,234 of 30,777Top 25%
Nortel Networks Limited: 3 patents #1,060 of 5,294Top 25%
BNBay Networks, Nc.: 1 patents #39 of 115Top 35%
BPBayer Pharma: 1 patents #440 of 819Top 55%
Waconia, MN: #1 of 161 inventorsTop 1%
Minnesota: #652 of 52,454 inventorsTop 2%
Overall (All Time): #40,067 of 4,157,543Top 1%
59 Patents All Time
Jonathan E. Schmidt has been granted 59 US patents while listed as an inventor at Perftech. The first was granted in 1993 and the most recent in October 2025. Jonathan E. Schmidt ranks #40,067 of 4,157,543 US inventors in our database (top 0.96%). Patent records list Jonathan E. Schmidt in Waconia, MN, US.

Issued Patents All Time

Showing 1–25 of 59 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12438889 System, method and computer readable medium for message authentication to subscribers of an internet service provider Henry M. Donzis, Lewis T. Donzis, Rodney D. Frey, John A. Murphy 2025-10-07
12226045 Beverage warmer 2025-02-18
12192213 System, method and computer readable medium for processing unsolicited electronic mail John A. Murphy, Henry M. Donzis, Lewis T. Donzis, Peter W. Baron, Rodney D. Frey 2025-01-07
12086201 Method and apparatus of processing invalid user input search information Lewis T. Donzis, John A. Murphy, Henry M. Donzis, Peter W. Baron, Lee Carl Ziegenhals 2024-09-10
12075131 System and method for set-top-box messaging display Lewis T. Donzis, Henry M. Donzis, Peter W. Baron, John A. Murphy 2024-08-27
11956251 System, method and computer readable medium for determining users of an internet service John A. Murphy, Henry M. Donzis, Lewis T. Donzis, Peter W. Baron, Rodney D. Frey 2024-04-09
11743205 Internet provider subscriber communications system Henry M. Donzis, Lewis T. Donzis, Rodney D. Frey, John A. Murphy 2023-08-29
11736543 Internet provider subscriber communications system Henry M. Donzis, Lewis T. Donzis, Rodney D. Frey, John A. Murphy 2023-08-22
11601726 System and method for set-top-box messaging display Lewis T. Donzis, Henry M. Donzis, Peter W. Baron, John A. Murphy 2023-03-07
11580185 Method and apparatus of processing invalid user input search information Lewis T. Donzis, John A. Murphy, Henry M. Donzis, Peter W. Baron, Lee Carl Ziegenhals 2023-02-14
11563750 System, method and computer readable medium for determining users of an internet service John A. Murphy, Henry M. Donzis, Lewis T. Donzis, Peter W. Baron, Rodney D. Frey 2023-01-24
11552961 System, method and computer readable medium for processing unsolicited electronic mail John A. Murphy, Henry M. Donzis, Lewis T. Donzis, Peter W. Baron, Rodney D. Frey 2023-01-10
D971658 Beverage warmer 2022-12-06
11509665 System, method and computer readable medium for message authentication to subscribers of an internet service provider Henry M. Donzis, Lewis T. Donzis, Rodney D. Frey, John A. Murphy 2022-11-22
11336586 Internet provider subscriber communications system Henry M. Donzis, Lewis T. Donzis, Rodney D. Frey, John A. Murphy 2022-05-17
11277671 System and method for set-top-box messaging display Lewis T. Donzis, Henry M. Donzis, Peter W. Baron, John A. Murphy 2022-03-15
10992686 System, method and computer readable medium for determining users of an internet service John A. Murphy, Henry M. Donzis, Lewis T. Donzis, Peter W. Baron, Rodney D. Frey 2021-04-27
10986417 System and method for set-top-box messaging display Lewis T. Donzis, Henry M. Donzis, Peter W. Baron, John A. Murphy 2021-04-20
10986102 System, method and computer readable medium for processing unsolicited electronic mail John A. Murphy, Henry M. Donzis, Lewis T. Donzis, Peter W. Baron, Rodney D. Frey 2021-04-20
10915596 Method and apparatus of processing invalid user input search information Lewis T. Donzis, John A. Murphy, Henry M. Donzis, Peter W. Baron, Lee Carl Ziegenhals 2021-02-09
10904265 System, method and computer readable medium for message authentication to subscribers of an internet service provider Henry M. Donzis, Lewis T. Donzis, Rodney D. Frey, John A. Murphy 2021-01-26
10834157 Internet provider subscriber communications system Henry M. Donzis, Lewis T. Donzis, Rodney D. Frey, John A. Murphy 2020-11-10
10631062 System and method for set-top-box messaging display Lewis T. Donzis, Henry M. Donzis, Peter W. Baron, John A. Murphy 2020-04-21
10616131 Internet provider subscriber communications system Henry M. Donzis, Lewis T. Donzis, Rodney D. Frey, John A. Murphy 2020-04-07
10601841 System, method and computer readable medium for determining users of an internet service John A. Murphy, Henry M. Donzis, Lewis T. Donzis, Peter W. Baron, Rodney D. Frey 2020-03-24