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

John Ludwig — 14 Patents

SUSurround.Io: 8 patents #1 of 5Top 20%
XEXevo: 5 patents #6 of 24Top 25%
Bellevue, WA: #852 of 6,950 inventorsTop 15%
Washington: #7,280 of 76,902 inventorsTop 10%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
John Ludwig has been granted 14 US patents while listed as an inventor at Surround.Io. The first was granted in 2001 and the most recent in April 2023. John Ludwig ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list John Ludwig in Bellevue, WA, US.

Patents per Year

Patents granted per year, 2001 to 2023Bar chart with a peak of 5 patents in 2017.peak 52001: 1 patents20012015: 1 patents20152016: 1 patents20162017: 5 patents20172018: 1 patents20182021: 3 patents20212023: 2 patents2023

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11619508 Systems and methods for adaptive content filtering 2023-04-04
11546556 Redundant array of inexpensive cameras Richard Chia Tsing Tong 2023-01-03
11176819 Systems and methods for adaptive protocol implementation for vehicle head units 2021-11-16
10999557 Redundant array of inexpensive cameras Richard Chia Tsing Tong 2021-05-04
10989552 Systems and methods for adaptive content filtering 2021-04-27
9894321 Distributed camera system utilizing named queues Richard Chia Tsing Tong, John Zagula, Jon Anderson 2018-02-13
9838469 Distributed event engine Richard Chia Tsing Tong 2017-12-05
9706168 Room conferencing system with heat map annotation of documents Richard Chia Tsing Tong 2017-07-11
9684834 Trainable versatile monitoring device and system of devices Richard Chia Tsing Tong, Jonathan M. Anderson, John Zagula 2017-06-20
9635317 Permission based camera with encrypted photo and video output Richard Chia Tsing Tong 2017-04-25
9614898 Distributed event engine Richard Chia Tsing Tong 2017-04-04
9407675 Room cloud environment for conferencing Richard Chia Tsing Tong, John Zagula, Jon Anderson 2016-08-02
9226101 Federated bluetooth device network with roaming capability Richard Chia Tsing Tong 2015-12-29
6202860 Electronic equipment enclosure 2001-03-20