Inventor
Delmer G. Parker
Inventor
Rochester, NY, US
Overview
Patents· 42 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography79%
H04NPictorial communication, e.g. television9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B41JTypewriters2%
B82YSpecific uses or applications of nanostructures2%
H05BElectric heating2%
PatentTitleYear
6,725,010'Fusing apparatus having an induction heated fuser roller'20046,188,861'Tandem tri-level xerographic apparatus and method for producing pictorial color images'20016,163,672'Tandem tri-level xerographic apparatus and method for producing highly registered pictorial color images'20006,122,477'Induction heated fusing apparatus having a dual function transformer assembly'20006,028,616'Enhanced color gamut from 2-pass xerocolography with 2.lambda. imager and 2-layer photoreceptor'20005,895,738'Extension of xerocolorgraphy to full color printing employing additive RGB+ K colors'19995,890,033'Developer housing heater using a centrally heated mixing auger'19995,837,408'Xerocolography tandem architectures for high speed color printing'19985,790,928'Switchable dual wavelength flood lamp for simplified color printing architecture based on xerocolography'19985,751,437'Development combination exposure and recharge scheme to eliminate development defects in two pass process color xerocolography'19985,729,807'Optically switched commutator scheme for hybrid scavengeless segmented electroded donor rolls'19985,701,564'Scavengeless development apparatus including an electroded donor roll having a tri-contact commutator assembly'19975,592,281'Development scheme for three color highlight color trilevel xerography'19975,592,271'Donor rolls with capacitively cushioned commutation'19975,589,917'Donor rolls with magnetically coupled (Transformer) commutation'19965,539,505'Commutating method for SCD donor roll bias'19965,410,395'Means for controlling trilevel inter housing scorotron charging level'19955,351,113'Pre-pretransfer treatment to increase transfer latitude in tri-level xerography'19945,081,503'Compact magnetic bead pick-off device'19925,061,969'Hybrid development scheme for trilevel xerography'19915,049,949'Extension of tri-level xerography to black plus 2 colors'19915,038,177'Selective pre-transfer corona transfer with light treatment for tri-level xerography'19915,021,838'Preferred toner/carrier properties'19914,998,139'Adaptive bias control for tri-level xerography'19914,990,955'White level stabilization for tri-level imaging'19914,901,114'Tri level xerography using a MICR toner in combination with a non-MICR toner'19904,868,608'Highlight color imaging apparatus'19894,847,655'Highlight color imaging apparatus'19894,833,504'Single pass highlight color printer including a scavengeless developer housing'19894,771,314'Developer apparatus for a highlight printing apparatus'19884,761,672'Ramped developer biases'19884,761,668'Highlight color printer'19884,543,586'Magnetizing apparatus for a magnetographic printer'19854,353,637'Development system'19824,335,159'Method for developing latent electrostatic images'19824,095,883'Magnetic mixing apparatus and process'19784,067,295'Magnetic microfield donor system'19784,050,413'Magnetic brush crossmixing system'19774,034,709'Developer roll'19773,996,892'Spatially programmable electrode-type roll for electrostatographic processors and the like'19763,976,881'Arrangement for stabilizing corona devices'19763,950,089'Coated roll for magnetic brush development and cleaning systems'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2004Patents assigned to XEROX CORP (42)· patent assignee history
1976–2004Based in Rochester, NY, US· patent location history
1976–1988Based in Irondequoit, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| XEROX CORP | 42 | 1976–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rochester, New York, US | 35 | 1976–2004 |
| Irondequoit, New York, US | 7 | 1976–1988 |