Alan E. Rapkin
25Patents
7h-index
25Co-inventors
69Inventor score
Filing activity: Jan 2, 1990 → May 2, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5322273A | Sheet registration mechanism | Performing Operations; Transporting | 33 | Expired |
| US6988725B2 | Method for registering sheets in a duplex reproduction machine for alleviating skew | Performing Operations; Transporting | 18 | Expired |
| US5016062A | Multicolor image forming apparatus having improved registration | Physics | 11 | Expired |
| US5232213A | Vacuum belt sheet feeder device | Performing Operations; Transporting | 11 | Expired |
| US5085418A | Recirculating document feeder having a cross-track registration mechanism and method | Physics | 9 | Expired |
| US8582988B2 | Effectively using a consumable in two printers | Physics | 8 | Active |
| US4990969A | Method and apparatus for forming multicolor images | Physics | 8 | Expired |
| US7464925B2 | Adjustable sheet feeder for adjusting sheet stack center relative to sheet stack edges | Performing Operations; Transporting | 5 | Expired |
| US6826384B2 | Apparatus for a pre-registration speed and timing adjust system | Performing Operations; Transporting | 5 | Expired |
| US8147026B2 | Image quality matching in a mixed print engine assembly system | Performing Operations; Transporting | 3 | Active |
| US8019255B2 | Alignment method for a plurality of coupled digital print engines | Physics | 2 | Active |
| US7115056B2 | Dual spring tensioner | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US8301061B2 | Method and apparatus for aligning coupled digital print engines | Physics | 2 | Active |
| US6657754B2 | Passively energized floating guide | Electricity | 1 | Expired |
| US8478170B2 | Methods for operating development station auger | Physics | 1 | Active |
| US8562115B2 | Condensation control in an inkjet printing system | Performing Operations; Transporting | 0 | Active |
| US8401433B2 | Methods for dual drive operation of an auger in a development station | Physics | 0 | Active |
| US8385784B2 | Development station with dual actuator drive | Physics | 0 | Active |
| US8876244B2 | Inkjet printing system with condensation control system | Performing Operations; Transporting | 0 | Active |
| US8660467B2 | Electrophotographic printer development system with multiple augers | Physics | 0 | Active |
| US8740131B2 | Printer web medium supply with drive system | Performing Operations; Transporting | 0 | Active |
| US8478169B2 | Development station with dual drive | Physics | 0 | Active |
| US8682224B2 | Method for transporting electrophotographic developer in a printer | Physics | 0 | Active |
| US8385785B2 | Development station with auger tensioning | Physics | 0 | Active |
| US8548356B2 | Electrophotographic printer with stateful toner bottles | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.