BLACK & VEATCH CORPORATION
31Patents
23Active
31Granted
64Portfolio score
Filing activity: Jun 29, 1994 → Jun 26, 2024 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5601719A | Biological nutrient removal process for treatment of wastewater | Emerging Cross-Sectional Technologies | 46 | Expired |
| US8444943B2 | Methods and apparatus for sulfur recovery from acid gases | Emerging Cross-Sectional Technologies | 39 | Active |
| US7799178B2 | Distillation process | Emerging Cross-Sectional Technologies | 18 | Active |
| US5519609A | Biosolids tracking system | Human Necessities | 13 | Expired |
| US8650906B2 | System and method for recovering and liquefying boil-off gas | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US6652757B2 | Method for high speed dewatering of slurries | Chemistry; Metallurgy | 11 | Expired |
| US8328995B2 | Method for producing a distillate stream from a water stream containing at least one dissolved solid | Emerging Cross-Sectional Technologies | 10 | Active |
| US7252765B2 | Process for improving phosphorous removal in waste water treatment without chemical addition | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8671699B2 | Method and system for vaporizing liquefied natural gas with optional co-production of electricity | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US9574822B2 | Liquefied natural gas facility employing an optimized mixed refrigerant system | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US6391266B1 | Furnace adapted to produce lime for use in downstream flue gas desulfurization process | Chemistry; Metallurgy | 5 | Expired |
| US7392767B2 | Method and apparatus for heating a circulating fluid using a quench column and an indirect heat exchanger | Emerging Cross-Sectional Technologies | 5 | Active |
| US8066023B2 | System and method for collecting and increasing the pressure of seal leak gas | Emerging Cross-Sectional Technologies | 3 | Active |
| US6602426B2 | Water treatment using ozone and having a reduced likelihood of bromate formation from bromides found in the water | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7285215B2 | Process for improving phosphorus removal in waste water treatment without chemical addition | Emerging Cross-Sectional Technologies | 2 | Active |
| US7931889B2 | Method for producing hydrogen | Chemistry; Metallurgy | 2 | Active |
| US10139157B2 | NGL recovery from natural gas using a mixed refrigerant | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9777960B2 | NGL recovery from natural gas using a mixed refrigerant | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10436505B2 | LNG recovery from syngas using a mixed refrigerant | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10443930B2 | Process and system for removing nitrogen from LNG | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10352616B2 | Enhanced low temperature separation process | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9243842B2 | Combined synthesis gas separation and LNG production method and system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7282193B2 | Method for energy recovery from hydrogen sulfide | Chemistry; Metallurgy | 0 | Expired |
| US10113127B2 | Process for separating nitrogen from a natural gas stream with nitrogen stripping in the production of liquefied natural gas | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12344110B2 | Modular support system for electric vehicle chargers | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.