IMO Industries Inc.
🏢 View company profile →52Patents
6Active
52Granted
40Portfolio score
Filing activity: Mar 29, 1976 → Apr 9, 2014
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9546652B2 | System and method for monitoring and control of cavitation in positive displacement pumps | Mechanical Engineering; Lighting; Heating | 157 | Active |
| US4984888A | Two-dimensional spectrometer | Physics | 125 | Expired |
| US5171933A | Disturbed-gun aiming system | Mechanical Engineering; Lighting; Heating | 86 | Expired |
| US5161817A | Fluid-operated leveling valve systems | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5450054A | Hand-actuatable controller and method for producing control signals using the same | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4979797A | Multi-level fiber-optic liquid-level sensing system | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5029479A | Differential pressure transducers | Physics | 37 | Expired |
| US5395124A | Retractible segmented packing ring for fluid turbines having gravity springs to neutralize packing segment weight forces | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US5763973A | Composite barrier can for a magnetic coupling | Electricity | 31 | Expired |
| US5672004A | Lighting apparatus and related method | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5089673A | Pressure operated electrical switching device with plural lever actuated microswitches | Electricity | 26 | Expired |
| US4867199A | Bi-petal l check-valve construction | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5887488A | Vehicular accelerator pedal apparatus | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5547340A | Spillstrip design for elastic fluid turbines | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5070220A | Flow-switch construction | Electricity | 21 | Expired |
| US4995721A | Two-dimensional spectrometer | Physics | 19 | Expired |
| US5136894A | Tiltable marine steering helm | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6023995A | Vehicle accelerator pedal apparatus with position-adjustment feature | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6039827A | Method of making composite barrier can for a magnetic coupling by filament winding | Electricity | 16 | Expired |
| US5381022A | Combined optical waveguide and prismatic liquid-level sensor | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5096295A | Scanning monochromator | Physics | 14 | Expired |
| US4996396A | Flow switch | Electricity | 13 | Expired |
| US4880990A | Optical liquid-level sensing apparatus | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5542864A | Steering cylinder for outboard engines | Performing Operations; Transporting | 11 | Expired |
| US5088324A | Combined liquid-level and conductivity sensor | Physics | 11 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.