Web Printing Controls Co., Inc.
15Patents
0Active
15Granted
34Portfolio score
Filing activity: Oct 13, 1977 → May 17, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4719575A | Method and apparatus for controlling web handling machinery | Performing Operations; Transporting | 55 | Expired |
| US5018213A | Method and apparatus for registration mark identification | Performing Operations; Transporting | 55 | Expired |
| US4243925A | Register control system for web operating apparatus | Performing Operations; Transporting | 36 | Expired |
| US5043904A | Web handling apparatus monitoring system with user defined outputs | Performing Operations; Transporting | 34 | Expired |
| US6499402B1 | System for dynamically monitoring and controlling a web printing press | Performing Operations; Transporting | 32 | Expired |
| US6058201A | Dynamic reflective density measuring and control system for a web printing press | Performing Operations; Transporting | 32 | Expired |
| US4794453A | Method and apparatus for stroboscopic video inspection of an asynchronous event | Electricity | 25 | Expired |
| US5119981A | Web guide apparatus | Performing Operations; Transporting | 18 | Expired |
| US4186309A | Web monitoring and control apparatus for web handling machinery | Performing Operations; Transporting | 18 | Expired |
| US4736680A | Closed loop register control | Performing Operations; Transporting | 18 | Expired |
| US4991761A | Web guide apparatus | Performing Operations; Transporting | 16 | Expired |
| US5036706A | Sonic web break detector | Physics | 14 | Expired |
| US5449156A | Method and apparatus for longitudinally folding a printed web in a printing press | Performing Operations; Transporting | 12 | Expired |
| US5075128A | Silicone applicator with overflow control | Textiles; Paper | 4 | Expired |
| USD320760S | Sonic web break detector for printing presses | General | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.