Inventor
James S. Johnson
Inventor
Acton, MA, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation35%
D21HPulp compositions9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
C04BLime, magnesia4%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms4%
G01RMeasuring electric variables4%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy4%
PatentTitleYear
D0919838Retaining wall block20217,576,545'Lithium-ion battery prognostic testing and process'20097,534,736'Ultra-low residue, high solids, wet cake products and methods of making same'20096,494,991'Paper products comprising filler materials preflocculated using starch granules and/or polymerized mineral networks'20026,465,050'Non-cracking hydrophilic polyethersulfone membranes'20026,406,594'Method for manufacturing paper products comprising polymerized mineral networks'20026,193,077'Non-cracking hydrophilic polyethersulfone membranes'20016,056,903'Preparation of polyethersulfone membranes'20005,695,639'Vacuum filter funnel'19975,693,231'Aromatic/aliphatic nylon polymer microporous membranes'19975,411,663'Alcohol-insoluble nylon microporous membranes'19955,215,662'Heat resistant microporous material production and products'19934,894,157'Process for producing supported celluosic membranes and products'19904,313,500'Sacrificial adsorbate for surfactants utilized in chemical floods of enhanced oil recovery operations'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1997Patents assigned to MICRON SEPARATIONS INC (5)· patent assignee history
1990–2002Based in Acton, MA, US· patent location history
2000–2002Patents assigned to OSMONICS INC (3)· patent assignee history
2002Patents assigned to BOISE CASCADE CORP (2)· patent assignee history
2002Based in Portland, OR, US· patent location history
2009Patents assigned to HONEYWELL INT INC (1)· patent assignee history
2009Patents assigned to IMERYS KAOLIN INC (1)· patent assignee history
2009Based in Prescott Valley, AZ, US· patent location history
2009Based in Cochran, GA, US· patent location history
2021Based in Charlevoix, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MICRON SEPARATIONS INC | 5 | 1990–1997 |
| OSMONICS INC | 3 | 2000–2002 |
| BOISE CASCADE CORP | 2 | 2002 |
| HONEYWELL INT INC | 1 | 2009 |
| IMERYS KAOLIN INC | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Acton, Massachusetts, US | 8 | 1990–2002 |
| Portland, OR, US | 2 | 2002 |
| Charlevoix, MI, US | 1 | 2021 |
| Prescott Valley, AZ, US | 1 | 2009 |
| Cochran, Georgia, US | 1 | 2009 |