Mainstream Engineering Corporation
165Patents
108Active
165Granted
58Portfolio score
Filing activity: Jan 6, 1988 → Dec 14, 2023 · 13 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6498725B2 | Method and two-phase spray cooling apparatus | Electricity | 121 | Expired |
| US4856294A | Micro-climate control vest | Emerging Cross-Sectional Technologies | 113 | Expired |
| US5868937A | Process and system for recycling and reusing gray water | Emerging Cross-Sectional Technologies | 104 | Expired |
| US5862675A | Electrically-driven cooling/heating system utilizing circulated liquid | Mechanical Engineering; Lighting; Heating | 97 | Expired |
| US6205803A | Compact avionics-pod-cooling unit thermal control method and apparatus | Mechanical Engineering; Lighting; Heating | 95 | Expired |
| US5647226A | Phase change apparatus for animal parts, human body parts, body fluids and culture | Mechanical Engineering; Lighting; Heating | 60 | Expired |
| US9168315B1 | Cost-effective remote monitoring, diagnostic and system health prediction system and method for vapor compression and heat pump units based on compressor discharge line temperature sampling | Mechanical Engineering; Lighting; Heating | 53 | Active |
| US5117809A | Flameless heater product for ready-to-eat meals and process for making same | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US5924847A | Magnetic bearing centrifugal refrigeration compressor and refrigerant having minimum specific enthalpy rise | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US5582020A | Chemical/mechanical system and method using two-phase/two-component compression heat pump | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US5993684A | Composition and method for de-icing and anti-icing surfaces | Chemistry; Metallurgy | 34 | Expired |
| US6303039A | Method for treating water over an extended time using tablets and packets | Chemistry; Metallurgy | 33 | Expired |
| US5113666A | Cooling device for hazardous materials suits | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US5289695A | Adsorption cooling device and method for hazardous materials suits | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US5310326A | Rotary compressor with improved bore configuration and lubrication system | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5111668A | Cooling device and method for hazardous materials suits | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US5632904A | Water disinfection method using metal-ligand complexes | Chemistry; Metallurgy | 28 | Expired |
| US6463748B1 | Apparatus and method for controlling a magnetic bearing centrifugal chiller | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US6269667A | Clothes washer and dryer system for recycling and reusing gray water | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6327731A | Clothes washer and dryer system for recycling and reusing graywater | Emerging Cross-Sectional Technologies | 22 | Expired |
| US8544575B1 | Lightweight internal combustion/electric hybrid power source for vehicles | Emerging Cross-Sectional Technologies | 22 | Active |
| US8640632B1 | Utility pad with integrated security cage | Mechanical Engineering; Lighting; Heating | 21 | Active |
| US9417005B1 | Retrofit device and method to improve humidity control of vapor compression cooling systems | Emerging Cross-Sectional Technologies | 19 | Active |
| US6924326B2 | Method and formulation using passive electrostaticity for improving filter performance | Chemistry; Metallurgy | 18 | Expired |
| US6581399B2 | Apparatus and method for controlling a magnetic bearing centrifugal chiller | Mechanical Engineering; Lighting; Heating | 18 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.