Acrison, Inc.
28Patents
5Active
28Granted
38Portfolio score
Filing activity: Feb 18, 1975 → Mar 22, 2012 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5423455A | Materials feeding system with level sensing probe and method for automatic bulk density determination | Performing Operations; Transporting | 110 | Expired |
| US5205647A | Fluid mixing apparatus and method of mixing | Performing Operations; Transporting | 48 | Expired |
| US4320855A | Weigh feeding apparatus | Physics | 43 | Expired |
| US4111272A | Weigh feeding apparatus | Physics | 43 | Expired |
| US4867343A | Wild-flow loss-in-weight weighing system | Physics | 34 | Expired |
| USRE32101E | Weigh feeding apparatus | General | 32 | Expired |
| US4804111A | Mechanism for metering solid materials which flow in a manner similar to liquids | Physics | 32 | Expired |
| US4643582A | Wetting chamber | Performing Operations; Transporting | 26 | Expired |
| US4301510A | Weigh feeder system | Physics | 20 | Expired |
| US5709322A | Dry solids metering system with means for self-emptying and quick-emptying/cleanout | Physics | 15 | Expired |
| US4722456A | With accelerometer for detecting extraneous disturbances weigh feeder | Physics | 13 | Expired |
| USRE32102E | Weigh feeding apparatus | General | 13 | Expired |
| US3967758A | Automatically controlled weigh feeding apparatus | Physics | 12 | Expired |
| US5405049A | Isolation pad for a feeding system and a method for feeding material from the system | Performing Operations; Transporting | 11 | Expired |
| US5848728A | Multi-flighted notched metering auger | Performing Operations; Transporting | 11 | Expired |
| US5301844A | Dry solids materials feeder with vibrating mechanism and a method of vibrating various component parts of the feeder | Performing Operations; Transporting | 10 | Expired |
| US6444926B1 | Rotary pocketed weigh feeder | Physics | 9 | Expired |
| US8282069B2 | Cinch valve | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US4449597A | Flexure weighing system | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6926030B2 | Apparatus for mixing two fluids or keeping them separate | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4485973A | Ingredient spreader | Human Necessities | 3 | Expired |
| US8499972B1 | Clamping of bulk storage bag discharge spout | Performing Operations; Transporting | 3 | Active |
| US7191919B2 | Weight-loss weigh feeder with pressure compensation | Physics | 3 | Expired |
| US8047355B2 | Automatic belt tracking system | Performing Operations; Transporting | 3 | Active |
| US8800825B2 | Metering mechanism for strand-type bulk solid materials | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.