Patent assignee · US · COMPANY

Cosense, Inc.

17Patents
8Active
17Granted
39Portfolio score

Filing activity: Nov 9, 1994 → Dec 14, 2009 · 8 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5757876A Object counter and identification system Human Necessities 116 Expired
US5880364A Non-contact ultrasonic micromeasurement system Physics 65 Expired
US6631639B1 System and method of non-invasive discreet, continuous and multi-point level liquid sensing using flexural waves Physics 62 Expired
US7661294B2 Non-invasive multi-function sensor system Physics 50 Active
US5507178A Liquid presence and identification sensor Physics 40 Expired
US7694570B1 Non-invasive dry coupled disposable/reusable ultrasonic sensor Physics 40 Active
US5663503A Invasive and non-invasive ultrasonic sensor with continuous and demand self-test Physics 34 Expired
US7617739B1 Non-invasive ultrasonic system to determine internal pressure in flexible tubing Physics 32 Active
US7661293B2 Ultrasonic system for detecting and quantifying of air bubbles/particles in a flowing liquid Physics 30 Active
US5808200A Ultrasonic sensor with continous and demand self-test for liquid and dry product level measurement Physics 13 Expired
US6832516B1 Integral ultrasonic liquid level continuous transmitter with independent high-level discrete alarm point level Physics 11 Expired
US7694560B1 Non-invasive bottom up continuous liquid level transmitter Physics 9 Active
US6781287B1 Non-contacting ultrasonic transducer Physics 8 Expired
US7908931B1 Non invasive flow rate measuring system and method Physics 5 Active
US8091442B1 Positive tube retention arrangement Physics 3 Active
US8061196B2 Bottom up contact type ultrasonic continuous level sensor Physics 3 Active
US5735166A Ultrasonic micro-sensor for level leak alert and interface detector Physics 2 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.