EMS-Inventa AG
128Patents
0Active
128Granted
43Portfolio score
Filing activity: Dec 15, 1982 → May 6, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4844512A | Freely rotatable snap-fit connector for pipes | Emerging Cross-Sectional Technologies | 167 | Expired |
| US5510073A | Planetary gear for a multiple-screw extruder | Performing Operations; Transporting | 65 | Expired |
| US5636875A | Two-part tubular connector made of polymers as well as conduit system incorporating such connector and pipes made of the same polymers | Mechanical Engineering; Lighting; Heating | 63 | Expired |
| US5316578A | Process and apparatus for producing starch melt and products obtainable by this process | Chemistry; Metallurgy | 58 | Expired |
| US5480923A | Thermoplastically processible composition of starch acrylate copolymers | Chemistry; Metallurgy | 56 | Expired |
| US4991882A | Fluid-tight connector | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5516815A | Starch-Containing fibers, process for their production and products made therefrom | Performing Operations; Transporting | 53 | Expired |
| US5288799A | Thermoplastic molding compositions which are mixtures of amorphous and semi-crystalline polyamides, a method of preparation thereof and products made therefrom | Chemistry; Metallurgy | 51 | Expired |
| US5346936A | Starch/polymer mixture, process for the preparation thereof, and products obtainable therefrom | Chemistry; Metallurgy | 51 | Expired |
| US5219003A | Multi-layered tubes having impact resistance-modified polyamide layers | Performing Operations; Transporting | 48 | Expired |
| US5436078A | Starch mixture and process for the production thereof | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5792532A | Polymer tubing | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5560398A | Sequentially coextruded coolant conduit | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5154979A | Shaped articles made from thermoplastic polymers | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5850855A | Flexible coolant conduit and method of making same | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5706864A | Coolant conduits | Performing Operations; Transporting | 40 | Expired |
| US5376702A | Process and apparatus for the direct and continuous modification of polymer melts | Performing Operations; Transporting | 36 | Expired |
| US5656719A | Condensation injection molding process for producing bottle preforms of polyethylene terephthalate and/or its copolyesters and resultant preforms | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5895808A | Process for producing compound materials with a polylactam matrix which can be thermally postformed | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5367067A | Water-resistant starch materials for the production of cast sheets and thermoplastic materials | Performing Operations; Transporting | 29 | Expired |
| US4591629A | Process for the purification of high molecular weight polyesters | Chemistry; Metallurgy | 28 | Expired |
| US4731421A | Transparent copolyamide from bis(4-amino-3,5-diethyl cyclohexyl) methane | Chemistry; Metallurgy | 27 | Expired |
| US5588468A | Blow-molded coolant conduit | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5177177A | Amorphous copolyamide from dimer acid, aromatic dicarboxylic acid and cycloaliphatic diamine | Chemistry; Metallurgy | 23 | Expired |
| US4847356A | Transparent copolyamide from bis(4-amino-3,5-diethyl cyclohexyl) methane | Chemistry; Metallurgy | 23 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.