Inventor
Eric K. Bartkus
Inventor
Ada, MI, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge17%
H01JElectric discharge tubes or discharge lamps15%
H05BElectric heating15%
A61LMethods or apparatus for sterilising materials or objects in general13%
G02BOptical elements, systems or apparatus13%
A61FFilters implantable into blood vessels7%
Y10TTechnical subjects covered by former us classification7%
B01DSeparation4%
F16KValves4%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers2%
PatentTitleYear
7,252,763'Point-of-use water treatment system'20076,984,320'Removable closure assembly for a water treatment system'20066,959,731'Ceramic disc diverter valve'20056,939,470'Automatic shut-off for water treatment system'20056,793,817'Lamp assembly for point-of-use water treatment system'20046,634,380'Ceramic disc diverter valve'20036,569,319'UV light intensity detector in a water treatment system'20036,514,420'Point-of use water treatment system'20036,491,868'Point-of-use water treatment system'20026,451,202'Point-of-use water treatment system'2002D0431084'Lamp assembly'20005,800,563'Impact reducing prosthetic pylon'19985,728,171'Composite/metal pyramid prosthetic components'19985,405,410'Adjustable lower limb prosthesis having conical support'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–1998Patents assigned to OHIO WILLOW WOOD CO (3)· patent assignee history
1995–1998Based in Grove City, OH, US· patent location history
2000Patents assigned to AMWAY CORP (1)· patent assignee history
2000–2007Based in Ada, MI, US· patent location history
2002–2006Patents assigned to ACCESS BUSINESS GROUP INT LLC (9)· patent assignee history
2007Patents assigned to ACCESS BUSINESS GROUP INTERATI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ACCESS BUSINESS GROUP INT LLC | 9 | 2002–2006 |
| OHIO WILLOW WOOD CO | 3 | 1995–1998 |
| ACCESS BUSINESS GROUP INTERATI | 1 | 2007 |
| AMWAY CORP | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ada, MI, US | 11 | 2000–2007 |
| Grove City, OH, US | 3 | 1995–1998 |