VENTUREDYNE, LTD.
68Patents
18Active
68Granted
43Portfolio score
Filing activity: Nov 14, 1983 → Oct 25, 2017 · 13 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5467189A | Improved particle sensor and method for assaying a particle | Physics | 115 | Expired |
| US5870190A | Particle sensor and related method offering improved particle discrimination | Physics | 41 | Expired |
| US5825487A | Particle sensor with features for setting, adjusting and trimming the flow rate of the sampled air | Physics | 41 | Expired |
| US5559512A | Method and apparatus for entering alpha-numeric data | Physics | 37 | Expired |
| US5268637A | Carrier for testing circuit boards | Physics | 36 | Expired |
| US5600438A | Particle sensor with variable-speed blower | Physics | 34 | Expired |
| US5515164A | Particle sensor with low-pressure-drop air flow system | Physics | 34 | Expired |
| US7895000B2 | Environmental sensor, particle counting system having an environmental sensor, and methods of operating the same | Physics | 31 | Active |
| US6360621B1 | Environmental testing chamber | Physics | 26 | Expired |
| US5105633A | Solvent recovery system with means for supplemental cooling | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US7724150B2 | Environmental sensor, particle counting system having an environmental sensor, and methods of operating the same | Physics | 25 | Active |
| US6091494A | Particle sensor with cooled light trap and related method | Physics | 24 | Expired |
| US5528161A | Through-port load carrier and related test apparatus | Physics | 22 | Expired |
| US5731875A | Particle sensor with fiber optic conductor | Physics | 22 | Expired |
| US6214077A | Spring loaded door assembly | Performing Operations; Transporting | 21 | Expired |
| US4867869A | Grate magnet | Performing Operations; Transporting | 20 | Expired |
| US5191282A | Unitized test system with bi-directional transport feature | Physics | 19 | Expired |
| US5804732A | Vibrator-driven table apparatus | Physics | 19 | Expired |
| US4789387A | Dust collector | Performing Operations; Transporting | 18 | Expired |
| US5486140A | Variable air volume terminal unit with exterior insulation | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5842179A | Method and apparatus for inventorying laboratory specimens | Physics | 13 | Expired |
| US7752930B2 | Microbial gaseous-fluid sampler and method of operating the same | Physics | 12 | Active |
| US5663535A | Sound attenuator for HVAC systems | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6104271A | Composite rare earth magnet and method for separating ferrous material from non-ferrous material | Electricity | 11 | Expired |
| US6446508B1 | Vibration compartment environmental control | Performing Operations; Transporting | 11 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.