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Inventor

John D. Watson

Inventor
Evergreen, CO, US

Overview

81→
Patents
1976–2020
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 81 as inventor

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

E21Cprimary
E21CMining or quarrying9%
Y02TClimate change mitigation technologies related to transportation8%
E21BEarth or rock drilling7%
B60LPropulsion of electrically-propelled vehicles6%
A61BDiagnosis5%
E21DShafts5%
F42DBlasting5%
B61CLocomotives4%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels2%
PatentTitleYear
10,736,605Disposable eyepiece system for an ultrasonic eye scanning apparatus202010,531,859Components for a precision ultrasonic scanning apparatus for body parts202010,485,509Tracking system for an ultrasonic arc scanning apparatus201910,265,049Combination optical and ultrasonic imaging of an eye20199,902,405'Rail cars for transporting heavy hydrocarbons'20189,739,419'Multi-fuel service station'20179,597,059'Correcting for unintended motion for ultrasonic eye scans'20179,320,427'Combination optical and ultrasonic imaging of an eye'20169,284,178'Multi-fuel service station'20169,149,254'Alignment and imaging of an eye with an ultrasonic scanner'20159,039,623'Compound scanning head for an ultrasonic scanning apparatus'20158,815,083'Treating sulfur containing hydrocarbons recovered from hydrocarbonaceous deposits'20148,758,252'Innovative components for an ultrasonic arc scanning apparatus'20148,708,083'Gas turbine energy storage and conversion system'20148,590,653'Regenerative braking for gas turbine systems'20138,499,874'Gas turbine energy storage and conversion system'20138,317,709'Alignment and imaging of an eye with an ultrasonic scanner'20128,313,152'Recovery of bitumen by hydraulic excavation'20128,287,050'Method of increasing reservoir permeability'20128,244,419'Marine power train system and method of storing energy in a marine vehicle'20128,215,437'Regenerative braking for gas turbine systems'20128,182,201'Load distribution system for gas turbine engine'20128,127,865'Method of drilling from a shaft for underground recovery of hydrocarbons'20128,091,495'Compressed natural gas barge'20127,984,822'Kiln lid lift apparatus'20117,944,081'Multi-power source locomotive control method and system'20117,940,016'Regenerative braking methods for a hybrid locomotive'20117,906,862'Multiple prime power source locomotive control'20117,667,347'Multi-power source locomotive control method and system'20107,518,254'Multiple prime power source locomotive control'20097,507,500'Design of a large battery pack for a hybrid locomotive'20097,461,901'Method and means for processing oil sands while excavating'20087,448,692'Method and means for processing oil sands while excavating'20087,349,797'Emission management for a hybrid locomotive'20087,192,092'Method and means for recovering hydrocarbons from oil sands by underground mining'20077,128,375'Method and means for recovering hydrocarbons from oil sands by underground mining'20067,124,691'Method for monitoring and controlling locomotives'20067,097,255'Method and means for processing oil sands while excavating'20067,084,602'Predicting wheel slip and skid in a locomotive'20067,064,507'Managing wheel skid in a locomotive'20067,048,827'Dynamic calibration of papermaking machine'20066,929,330'Method and system for mining hydrocarbon-containing materials'20056,869,147'Method and system for mining hydrocarbon-containing materials'20056,554,368'Method and system for mining hydrocarbon-containing materials'20036,435,096'Method and apparatus for controlled small-charge blasting by decoupled explosive'20026,347,837'Slide assembly having retractable gas-generator apparatus'20026,339,992'Small charge blasting apparatus including device for sealing pressurized fluids in holes'20026,332,401'Method and apparatus for pressure wave suppression in small-charge blasting'20016,321,655'Method and apparatus for flyrock control in small charge blasting'20016,148,730'Method and apparatus for controlled small-charge blasting by pressurization of the bottom of a drill hole'20006,145,933'Method for removing hard rock and concrete by the combination use of impact hammers and small charge blasting'20006,097,912'Protective cover package for an organic photoreceptor belt'20006,086,716'Wet end control for papermaking machine'20006,072,309'Paper stock zeta potential measurement and control'20006,049,682'Hard cartridge package for an organic photoreceptor belt'20006,035,784'Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurization of the bottom of a drill hole'20006,014,535'Soft cartridge package for a photoreceptor belt and method of manufacturing soft cartridge package including method of loading photoreceptor belt using soft cartridge package'20005,803,550'Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting'19985,765,923'Cartridge for generating high-pressure gases in a drill hole'19985,758,236'Development apparatus for a liquid electrographic imaging system'19985,582,329'Bottle with dispensing valve which is fittable to the bottle in both a use and a storage position'19965,576,815'Development apparatus for a liquid electrographic imaging system'19965,419,448'Knock down bulk storage container'19955,308,149'Non-explosive drill hole pressurization method and apparatus for controlled fragmentation of hard compact rock and concrete'19945,198,915'Underwater inspection apparatus and method'19935,184,230'Underwater inspection apparatus and method'19935,084,776'Underwater inspection apparatus and method'19924,864,616'Cryptographic labeling of electronically stored data'19894,849,699'Extended range, pulsed induction logging tool and method of use'19894,528,168'Brine saturator method of operation'19854,421,864'Improved ion exchange particle regeneration method'19834,326,963'Multiple bed filtering apparatus and process'19824,269,331'Metered dispensing device'1981D0256720'Fluid nozzle for high-velocity fluid streams'19804,187,882'Diverter-valve apparatus'1980D0252819'High-pressure rotary nozzle'19794,164,325'High-pressure-rotary-nozzle apparatus'19794,110,402'Recovery of strontium from brine that contains strontium and calcium'19784,080,762'Fluid-abrasive nozzle device'19784,060,381'Shield for pyrometric cones used in ceramic firing kilns'19773,963,275'Method of breaking free-standing rock boulders'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2018Patents assigned to WATSON JOHN D (17)· patent assignee history
1978–1981Based in Fullerton, CA, US· patent location history
1978–1985Based in Lake Jackson, TX, US· patent location history
1992–1993Based in Alford, GB· patent location history
1994–2020Based in Evergreen, CO, US· patent location history
1996–2000Based in Centerville, MN, US· patent location history
2000–2002Patents assigned to ROCKTEK LTD (8)· patent assignee history
2006–2009Patents assigned to RAILPOWER TECHNOLOGIES CORP (6)· patent assignee history
2012–2020Patents assigned to ARCSCAN INC (10)· patent assignee history
2012–2018Patents assigned to DONNELLY FRANK WEGNER (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WATSON JOHN Dself171978–2018
ARCSCAN INC102012–2020
ROCKTEK LTD82000–2002
RAILPOWER TECHNOLOGIES CORP62006–2009
DONNELLY FRANK WEGNER52012–2018
Locations
LocationPatentsSpan
Evergreen, CO, US511994–2020
Fullerton, California, US61978–1981
Centerville, Minnesota, US51996–2000
Lake Jackson, Texas, US41978–1985
Alford, GB31992–1993