PH

Paul A. Hoisington

SL Spectra Group Limited: 44 patents #1 of 68Top 2%
FD Fujifilm Dimatix: 43 patents #2 of 91Top 3%
FU Fujifilm: 29 patents #211 of 4,519Top 5%
DM Desktop Metal: 13 patents #9 of 86Top 15%
DI Dimatix: 9 patents #1 of 35Top 3%
📍 Burlington, MA: #1 of 774 inventorsTop 1%
🗺 Massachusetts: #104 of 88,656 inventorsTop 1%
Overall (All Time): #7,365 of 4,157,543Top 1%
138
Patents All Time

Issued Patents All Time

Showing 126–138 of 138 patents

Patent #TitleCo-InventorsDate
5075689 Bidirectional hot melt ink jet printing Edward R. Moynihan, Charles W. Spehrley, Jr., Robert R. Schaffer 1991-12-24
4971408 Remelting of printed hot melt ink images Lawrence R. Young, Robert R. Schaffer 1990-11-20
4961082 Deaeration of ink in an ink jet system Nathan P. Hine, Charles W. Spehrley, Jr. 1990-10-02
4937598 Ink supply system for an ink jet head Nathan P. Hine, Charles W. Spehrley, Jr., Melvin L. Biggs, Richard Carden 1990-06-26
4928120 Orifice plate cleaner for hot melt ink jet Charles W. Spehrley, Jr., Steven H. Barss, David G. Tomaszewski 1990-05-22
4891654 Ink jet array Robert R. Schaffer, Kenneth H. Fischbeck 1990-01-02
4877676 Hot melt ink transparency Linda T. Creagh, Steven F. Fulton, Bruce A. Paulson, Robert R. Schaffer, Charles W. Spehrley, Jr. 1989-10-31
4835554 Ink jet array Robert R. Schaffer, Kenneth H. Fischbeck 1989-05-30
4825227 Shear mode transducer for ink jet systems Kenneth H. Fischbeck 1989-04-25
4814786 Hot melt ink supply system Nathan P. Hine, Charles W. Spehrley, Jr. 1989-03-21
4801473 Method for preparing a hot melt ink transparency Linda T. Creagh, Steven F. Fulton, Bruce A. Paulson, Robert R. Schaffer, Charles W. Spehrley, Jr. 1989-01-31
4788556 Deaeration of ink in an ink jet system Nathan P. Hine, Charles W. Spehrley, Jr. 1988-11-29
4775232 Catadioptric projection lantern Kenneth H. Fischbeck 1988-10-04