Leybold GmBH
423Patents
28Active
423Granted
43Portfolio score
Filing activity: Dec 18, 1985 → Jul 5, 2022
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5201926A | Method for the production of coated glass with a high transmissivity in the visible spectral range and with a high reflectivity for thermal radiation | Performing Operations; Transporting | 103 | Expired |
| US5113790A | Apparatus for the plasma treatment of substrates | Electricity | 95 | Expired |
| US4969790A | Apparatus on the carousel principle for the coating of substrates | Physics | 91 | Expired |
| US5279722A | Method for manufacturing panes with high transmissivity in the visible range of the spectrum and with high reflectivity for thermal radiation | Chemistry; Metallurgy | 85 | Expired |
| US5192894A | Device for the suppression of arcs | Electricity | 82 | Expired |
| US5345207A | Magnet configuration with permanent magnets | Electricity | 80 | Expired |
| US5146137A | Device for the generation of a plasma | Electricity | 77 | Expired |
| US4936329A | Device for cleaning, testing and sorting of workpieces | Emerging Cross-Sectional Technologies | 76 | Expired |
| US5330853A | Multilayer Ti-Al-N coating for tools | Emerging Cross-Sectional Technologies | 74 | Expired |
| US4863549A | Apparatus for coating or etching by means of a plasma | Electricity | 73 | Expired |
| US5009738A | Apparatus for plasma etching | Electricity | 72 | Expired |
| US4978437A | Method of applying optical coatings of silicon compounds by cathode sputtering, and a sputtering cathode for the practice of the method | Chemistry; Metallurgy | 69 | Expired |
| US5286360A | Apparatus for coating a substrate, especially with electrically nonconductive coatings | Electricity | 68 | Expired |
| US5169509A | Apparatus for the reactive coating of a substrate | Electricity | 68 | Expired |
| US5611899A | Device for suppressing flashovers in cathode sputtering installations | Electricity | 68 | Expired |
| US4886592A | Apparatus on the carousel principle for coating substrates | Emerging Cross-Sectional Technologies | 66 | Expired |
| US5216542A | Coating, composed of an optically effective layer system, for substrates, whereby the layer system has a high anti-reflective effect, and method for the manufacturing of the coating | Chemistry; Metallurgy | 66 | Expired |
| US4849675A | Inductively excited ion source | Electricity | 65 | Expired |
| US5366292A | Sensor formed from a deformation heat recoverable material having a predetermined range of temperatures in which recovery occurs and used for measuring a physical characteristic of a system | Physics | 63 | Expired |
| US5591529A | Optical filter having multi-layer coating | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4931169A | Apparatus for coating a substrate with dielectrics | Chemistry; Metallurgy | 61 | Expired |
| US5415757A | Apparatus for coating a substrate with electrically nonconductive coatings | Electricity | 60 | Expired |
| US4918975A | Method and apparatus for testing fluid-filled systems for leaks | Physics | 60 | Expired |
| US5656141A | Apparatus for coating substrates | Electricity | 60 | Expired |
| US5102523A | Arrangement for the production of a plasma | Electricity | 59 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.