N. V. Kema
19Patents
0Active
19Granted
34Portfolio score
Filing activity: Nov 6, 1990 → Dec 20, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6263661A | System for power generation | Mechanical Engineering; Lighting; Heating | 61 | Expired |
| US6688108B1 | Power generating system comprising a combustion unit that includes an explosion atomizing unit for combusting a liquid fuel | Mechanical Engineering; Lighting; Heating | 48 | Expired |
| US6453659B1 | Device for compressing a gaseous medium and systems comprising such device | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5422627A | Sealing system for an object and seal therefor | Physics | 18 | Expired |
| US5854556A | Measurement system for partial discharges on dielectrics in coaxial cables | Physics | 17 | Expired |
| US6301841A | Method for erecting a structure for an emergency power line, apparatus and kit of parts therefor | Fixed Constructions | 15 | Expired |
| US5767684A | Method and apparatus for measuring partial discharges in cables | Physics | 12 | Expired |
| US5158754A | Process and apparatus for effecting chemical and/or physical reactions | Performing Operations; Transporting | 9 | Expired |
| US6323655A | Method and device for detecting partial discharges | Physics | 8 | Expired |
| US6490862B1 | Preparation of water from flue gases | Performing Operations; Transporting | 6 | Expired |
| US6366095B1 | Method and device for detecting and locating irregularities in a dielectric | Physics | 5 | Expired |
| US5453254A | Apparatus for effecting chemical and/or physical reactions | Performing Operations; Transporting | 5 | Expired |
| US5830357A | Process for cleaning a waste water stream or the like | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5425064A | Nuclear turbine coolant flow meter | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5546010A | Method for measuring a resistance value in an electrical apparatus | Physics | 3 | Expired |
| US6342130B1 | Method of treating a base material for obtaining specific properties | Chemistry; Metallurgy | 2 | Expired |
| US5427662A | Method for producing an ionomer | Performing Operations; Transporting | 2 | Expired |
| US6568251B1 | Corrosion probe | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US5858203A | Method and device for treating a contaminated slurry | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.