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USPTO Patent Rankings Data through Dec 31, 2025
FH

Frederic D. Hook — 8 Patents

IRIrobot: 6 patents #135 of 480Top 30%
SSSignet Scientific: 1 patents #12 of 16Top 75%
Fontana, CA: #31 of 284 inventorsTop 15%
California: #74,834 of 386,348 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Frederic D. Hook has been granted 8 US patents while listed as an inventor at Irobot. The first was granted in 1998 and the most recent in April 2023. Frederic D. Hook ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Frederic D. Hook in Fontana, CA, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11635476 Magnetic field localization and navigation Alexander D. Kleiner, Nikolai Romanov 2023-04-25 $9,724,000
11362409 Antenna assembly with universal whip mount and method of tuning the same Holley Masch 2022-06-14
11320835 Magnetic navigation systems for autonomous mobile robots Nikolai Romanov, Matthew Mercaldo, Peter Teulings, Kenneth Holm, Jr., Juan Oxoby 2022-05-03 $7,486,000
11110595 Mast systems for autonomous mobile robots Patrick Chow, Irene Lee, Kenneth Holm, Jr., Patrick Petrossian, Fred Alibozek 2021-09-07 $11,670,000
10429851 Proximity sensing on mobile robots Steven V. Shamlian, Samuel Duffley, Nikolai Romanov, Dhiraj Goel, Mario E. Munich 2019-10-01 $9,451,000
10379172 Magnetic field localization and navigation Alexander D. Kleiner, Nikolai Romanov 2019-08-13 $6,990,000
9442488 Proximity sensing on mobile robots Steven V. Shamlian, Samuel Duffley, Nikolai Romanov, Dhiraj Goel, Mario E. Munich 2016-09-13 $3,669,000
5708363 Liquid conductivity measurement system using a variable-frequency AC voltage Ronald John Yates, Martin Munzer 1998-01-13