Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8213840 | Developer material holding apparatus, process cartridge to which the developer material holding apparatus is attached, and image forming apparatus to which the process cartridge is attached | Shigenori Koido, Junichi Itou, Alan Davidson | 2012-07-03 |
| 5690709 | Separation apparatus to remove particles from a gas stream | — | 1997-11-25 |
| 4989669 | Apparatus and process for exchanging heat between solid particles and a heat exchange medium | — | 1991-02-05 |
| 4961863 | Process for the separation of solids from a mixture of solids and fluid | Hendrikus E. A. Van Den Akker, Rudi Everts, Jouke J. Woudstra, Cornelis M. Verheul, Hendrik A. Dirkse | 1990-10-09 |
| 4958680 | Apparatus for particulate solids regeneration | Johannes L. Nooyen | 1990-09-25 |
| 4891129 | Process for solids-fluid separation employing swirl flow | — | 1990-01-02 |
| 4795547 | Process for contacting particulate solids with a fluid | — | 1989-01-03 |
| 4783574 | Process for hydrocarbon conversion | — | 1988-11-08 |
| 4666674 | Apparatus and process for solids-fluid separation | — | 1987-05-19 |