Inventor

Mark A. Johnson

Inventor
Chillicothe, OH, US

Overview

23→
Patents
1992–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 23 as inventor

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

C12Pprimary
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture12%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C12NMicroorganisms or enzymes8%
A47LDomestic washing or cleaning7%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
D21HPulp compositions5%
H02KDynamo-electric machines5%
B44CProducing decorative effects3%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management3%
PatentTitleYear
11,040,624Cooling strategy for battery systems202110,244,912Vacuum cleaner with motor between separation stages201910,016,111Vacuum cleaner with motor cooling20189,532,691'Vacuum cleaner with motor between separation stages'20179,261,077'System and method for real-time load control of a wind turbine'20168,616,841'Diffuser'20137,383,607'Agitation apparatus'20086,729,135'Liquid fuel recirculation system and method'20046,716,314'Method for making improved abrasion resistant overlays'20046,551,455'Multi-layer printable wear resistant papers including particle rich interior layer'20035,785,811'Process for treating lignocellulosic material with soybean peroxidase in the presence of peroxide'19985,508,180'Biocatalytic oxidation using soybean peroxidase'19965,491,085'Method of recovering peroxidase from seed hulls using a freeze-thaw technique'19965,391,488'Biocatalytic oxidation of a reactive primary alcohol using soybean peroxidase'19955,374,555'Protease catalyzed treatments of lignocellulose materials'19945,370,770'Method for deinking printed waste paper using soybean peroxidase'19945,330,619'Method for repulping fibrous materials containing crosslinked polyamide wet strength agents with enzyme'19945,278,046'Soybean peroxidase assays'19945,188,953'Biocatalytic oxidation using soybean peroxidase'19935,178,762'Soybean peroxidase treatment of contaminated substances'19935,153,298'Biocatalytic process for preparing phenolic resins'19925,147,793'Biocatalytic oxidation using soybean peroxidases'19925,112,752'Biocatalytic oxidation using soybean and other legume peroxidases'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2003Patents assigned to MEAD CORP (11)· patent assignee history
1992–2004Based in Chillicothe, OH, US· patent location history
1995–1996Patents assigned to ENZYMOL INT INC (3)· patent assignee history
2004–2016Patents assigned to GEN ELECTRIC (2)· patent assignee history
2008–2019Patents assigned to DYSON TECHNOLOGY LTD (5)· patent assignee history
2008–2019Based in Bath, GB· patent location history
2013Based in Malmesbury, GB· patent location history
2016Based in Greer, SC, US· patent location history
2021Patents assigned to CPS TECH HOLDINGS LLC (1)· patent assignee history
2021Based in Milwaukee, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MEAD CORP111992–2003
DYSON TECHNOLOGY LTD52008–2019
ENZYMOL INT INC31995–1996
GEN ELECTRIC22004–2016
CPS TECH HOLDINGS LLC12021
Locations
LocationPatentsSpan
Chillicothe, OH, US151992–2004
Bath, GB42008–2019
Milwaukee, WI, US12021
Greer, SC, US12016
Malmesbury, GB12013