Inventor

Mark J. Johnson

Inventor
Cookeville, TN, US

Overview

63→
Patents
1989–2020
Patent span
Physics
Primary field (CPC G)

Patents· 63 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Dprimary
B01DSeparation11%
H04WWireless communication networks7%
G01CMeasuring distances, levels or bearings6%
G01SRadio direction-finding6%
H04LTransmission of digital information, e.g. telegraphic communication6%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%
B63HMarine propulsion or steering5%
LOC155%
G05DSystems for controlling or regulating non-electric variables4%
H04BTransmission4%
PatentTitleYear
10,841,047Methods and systems for reliable broadcasting using re-transmissions202010,837,780Mobile structure heading and piloting systems and methods202010,747,226Adaptive autopilot control systems and methods202010,677,921Casting guidance systems and methods202010,560,269Methods and systems for improved authenticated encryption in counter-based cipher systems202010,527,429Sailing user interface systems and methods202010,477,543Methods and systems for improved communication in multi-hop networks201910,350,776Cutoff knife serration201910,337,883Acceleration corrected attitude estimation systems and methods201910,338,593Hydraulic slip compensation systems and methods201910,261,176Rotating attitude heading reference systems and methods201910,215,564Automatic compass calibration systems and methods201910,175,043Toroidal shape recognition for automatic compass calibration systems and methods201910,097,318Methods and systems for reliable broadcasting using re-transmissions201810,073,453Autopilot autorelease systems and methods201810,047,708Fuel water separator filter20189,942,731Radio alert system and method20189,821,892'Wind sensor motion compensation systems and methods'2017D0791205'Serrated male slot knife'2017D0791206'Serrated male slot knife'20179,675,909'No filter no run fluid filtration system'20179,676,464'Stabilized directional control systems and methods'20179,586,807'Maintaining an operational temperature range'20179,577,312'Polarization alignment for wireless networking systems'2017D0772317'Knife insert'2016D0772316'Knife assembly'20169,353,713'Fuel water separator filter with water drain'20169,334,151'Shielding electronic components from liquid'20169,190,095'Interlayer comprising chromium-containing alloy'20158,852,443'Filtration system with a variable restriction orifice'20148,764,984'Filter-in-filter with funnel shaped passageway'20148,696,874'Seed layer comprising FCC structure'20148,668,560'Shielding electronic components from liquid'20148,517,183'No filter no run fluid filtration system'20138,496,816'Modular fuel filter assembly'20138,425,772'Filtration device with releasable additive'20138,110,299'Granular perpendicular media interlayer for a storage device'20128,007,667'Filtration device with releasable additive'20117,876,706'Method and apparatus for root node selection in an ad hoc network'20117,724,702'Multiple configuration communication apparatus'20107,697,456'Method and apparatus for omniscient root node selection in an ad hoc network'2010D0607016'Housing for an octane selection switch for a fuel dispenser'20097,563,368'Filtration device with releasable additive'20097,527,739'Apparatus, system, and method for multistage water separation'20097,506,663'Magnetic check valve'20097,431,575'Auto valve priming pump'20087,239,876'Method for increased location receiver sensitivity'20077,082,897'Electrostatic precipitator with pulsed high voltage power supply'20067,064,660'System and method for inferring an electronic rendering of an environment'20066,994,076'Electrostatic droplet collector with replaceable electrode'20066,988,625'Fluid filter with low-cost housing'20066,947,880'Method for improving accuracy of a velocity model'20056,593,883'Timing estimation method and apparatus for a location system'20036,515,623'Enhanced location methodology for a location system'20036,310,576'Method of identifying location using a master clock to synchronize time of arrival signals'20015,745,203'Liquid crystal display device including multiple ambient light illumination modes with switchable holographic optical element'19985,459,458'Virtual pager for general purpose data terminal'19955,367,691'Pipe-staggered apparatus and method utilizing carry look-ahead signal processing'19945,343,437'Memory having nonvolatile and volatile memory banks'19945,128,971'Frequency synchronization apparatus'19925,023,940'Low-power DSP squelch'19914,922,549'Digital FM squelch detector'19904,807,261'Automatic channel polarity detection and correction arrangement and method'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2011Patents assigned to MOTOROLA INC (17)· patent assignee history
1989–1995Based in Algonquin, IL, US· patent location history
1998–2018Based in Cary, IL, US· patent location history
2006–2009Patents assigned to FLEETGUARD INC (5)· patent assignee history
2006–2018Based in Cookeville, TN, US· patent location history
2008–2018Patents assigned to CUMMINS FILTRATION IP INC (11)· patent assignee history
2016–2019Patents assigned to ZENITH CUTTER INC (5)· patent assignee history
2016–2019Based in Edgerton, WI, US· patent location history
2017–2020Patents assigned to FLIR SYSTEMS (10)· patent assignee history
2017–2020Based in Vannes, FR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MOTOROLA INC171989–2011
CUMMINS FILTRATION IP INC112008–2018
FLIR SYSTEMS102017–2020
FLEETGUARD INC52006–2009
ZENITH CUTTER INC52016–2019
Locations
LocationPatentsSpan
Cookeville, TN, US162006–2018
Vannes, FR132017–2020
Cary, Illinois, US111998–2018
Algonquin, Illinois, US71989–1995
Edgerton, WI, US52016–2019