Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Eric C. Close — 17 Patents

RRRedzone Robotics: 14 patents #4 of 53Top 8%
PCPerformance Controls: 3 patents #4 of 11Top 40%
Dorpsstraat, PA: #17 of 560 inventorsTop 4%
Pennsylvania: #4,187 of 74,527 inventorsTop 6%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Eric C. Close has been granted 17 US patents while listed as an inventor at Redzone Robotics. The first was granted in 1994 and the most recent in February 2024. Eric C. Close ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Eric C. Close in Dorpsstraat, PA, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
11908048 Managing infrastructure data Subramanian Vallapuzha 2024-02-20
10783680 Server-based management of robotic pipe inspection data and analysis reports Subramanian Vallapuzha 2020-09-22
10221987 Managing infrastructure data Subramanian Vallapuzha 2019-03-05
9784599 Modular infrastructure asset inspection robot Subramanian Vallapuzha, Kevin H. Lipkin 2017-10-10
9183527 Analyzing infrastructure data Kevin H. Lipkin, Subramanian Vallapuzha, Sam Cancilla, Tyler Foreman, Foster J. Salotti +1 more 2015-11-10
9156105 Managing infrastructure data Subramanian Vallapuzha 2015-10-13
8467049 Manhole modeler using a plurality of scanners to monitor the conduit walls and exterior Scott M. Thayer, Adam Slifko, Subramanian Vallapuzha 2013-06-18
8170715 Methods and devices for automated work in pipes based on impedance control Subramanian Vallapuzha, Scott M. Thayer, Joseph Salotti, Ronald Genise, Alan Gerber +5 more 2012-05-01
8060257 Network architecture for remote robot with interchangeable tools Adam Slifko, Edison Hudson, Ronald Genise 2011-11-15
8041517 Spatio-temporal and context-based indexing and representation of subterranean networks and means for doing the same Scott M. Thayer, Carlos F. Reverte, Prasanna Velagapudi, William Ommert 2011-10-18
8024066 Autonomous inspector mobile platform Carlos F. Reverte, Scott M. Thayer, William Whittaker, Adam Slifko, Edison Hudson +1 more 2011-09-20
7993469 Sensor based micro-cleaning of buried infrastructure Subramanian Vallapuzha, Scott M. Thayer, Brian Bannon, Sam Cancilla, Adam Slifko +2 more 2011-08-09
7720570 Network architecture for remote robot with interchangeable tools Adam Slifko, Edison Hudson, Ronald Genise 2010-05-18
7131791 Pipeline rehabilitation systems William Whittaker, Adam Slifko 2006-11-07
5519601 Pulse-width modulated circuit for applying current to a load Jerry K. Goff, Donald A. Yost 1996-05-21
5493487 Electronic switching circuit Jerry K. Goff 1996-02-20
5365422 Pulse-width modulated circuit for applying current to a load Jerry K. Goff, Donald A. Yost 1994-11-15