Inventor
Craig R. Bartels
Inventor
Wappingers Falls, NY, US
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation45%
C07CAcyclic or carbocyclic compounds24%
C02FTreatment of water, waste water, sewage, or sludge10%
Y02ATechnologies for adaptation to climate change7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
B01FMixing, e.g. dissolving, emulsifying or dispersing2%
B29CShaping or joining of plastics2%
B64CAeroplanes2%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds2%
C10GCracking hydrocarbon oils2%
PatentTitleYear
11,117,101Selectively permeable graphene oxide membrane202110,967,959Folding trailing arm landing gear202110,442,709Selectively permeable graphene oxide membrane20199,731,230'Aeration diffuser for pressurized liquid treatment module and method of operating same'20178,388,842'Brine seal for a filtration device'20138,357,300'Methods and materials for selective boron adsorption from aqueous solution'20137,584,061'Device for measuring permeate flow and permeate conductivity of individual reverse osmosis membrane elements'20097,442,309'Methods for reducing boron concentration in high salinity liquid'20087,378,024'Methods for improving filtration performance of hollow fiber membranes'20086,821,430'Method of treating reverse osmosis membrane element, and reverse osmosis membrane module'20045,445,731'Pervaporation vessel'19955,192,445'Membrane suitable for the dehydration of organic oxygenates'19935,152,898'Separation of organic oxygenates'19925,126,503'Membrane process for dewatering lube oil dewaxing solvents'19925,028,336'Separation of water-soluble organic electrolytes'19915,009,783'Separation of compositions containing water and organic oxygenates'19915,004,861'Process for pervaporization using membrane separating means'19914,992,176'Dehydration of organic oxygenates'19914,971,699'Separation of compositions containing water and organic oxygenates'19904,961,855'Dehydration of organic oxygenates'19904,960,519'Membrane process for separation of organic liquids'19904,941,976'Dehydration of glycols'19904,935,144'Concentration of water-ketone compositions'19904,910,344'Treatment of compositions containing water and organic oxygenates'19904,877,529'Separation of organic liquids'19894,872,991'Treatment of water'19894,802,988'Dehydration of glycols'19894,798,674'Separation of organic liquids'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1995Patents assigned to TEXACO INC (18)· patent assignee history
1989–1995Based in Wappingers Falls, NY, US· patent location history
1989–1991Based in Wappinger Falls, NY, US· patent location history
2004–2021Patents assigned to NITTO DENKO CORP (4)· patent assignee history
2008–2017Patents assigned to HYDRANAUTICS (6)· patent assignee history
2008–2021Based in San Diego, CA, US· patent location history
2008Based in San Bernardino, CA, US· patent location history
2013Patents assigned to BARTELS CRAIG R (2)· patent assignee history
2013Patents assigned to DEWINTER DIRK (1)· patent assignee history
2021Based in Escondido, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEXACO INC | 18 | 1989–1995 |
| HYDRANAUTICS | 6 | 2008–2017 |
| NITTO DENKO CORP | 4 | 2004–2021 |
| BARTELS CRAIG Rself | 2 | 2013 |
| DEWINTER DIRK | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wappingers Falls, New York, US | 13 | 1989–1995 |
| San Diego, California, US | 7 | 2008–2021 |
| Wappinger Falls, New York, US | 5 | 1989–1991 |
| Escondido, California, US | 1 | 2021 |
| San Bernardino, California, US | 1 | 2008 |