Balzers Aktiengesellschaft
184Patents
0Active
184Granted
43Portfolio score
Filing activity: May 26, 1978 → Apr 18, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5422139A | Method for a reactive surface treatment of a workpiece and a treatment chamber for practicing such method | Electricity | 564 | Expired |
| US5738825A | Optical biosensor matrix | Physics | 191 | Expired |
| US4448653A | Cathode arrangement for sputtering material from a target in a cathode sputtering unit | Electricity | 141 | Expired |
| US5897942A | Coated body, method for its manufacturing as well as its use | Emerging Cross-Sectional Technologies | 95 | Expired |
| US4346123A | Method of depositing hard wear-resistant coatings on substrates | Chemistry; Metallurgy | 88 | Expired |
| US4990047A | Vacuum apparatus | Emerging Cross-Sectional Technologies | 87 | Expired |
| US4622121A | Apparatus for coating materials by cathode sputtering | Electricity | 76 | Expired |
| US6740393B1 | DLC coating system and process and apparatus for making coating system | Emerging Cross-Sectional Technologies | 73 | Expired |
| US5868482A | Color wheel and picture generation unit with a color wheel | Physics | 69 | Expired |
| US5033538A | Workpiece carrier for a disk-shaped workpiece as well as a vacuum process space | Emerging Cross-Sectional Technologies | 62 | Expired |
| US5618575A | Process and apparatus for the production of a metal oxide layer | Electricity | 51 | Expired |
| US5515986A | Plasma treatment apparatus and method for operating same | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5180000A | Workpiece carrier with suction slot for a disk-shaped workpiece | Electricity | 48 | Expired |
| US4448802A | Method and apparatus for evaporating material under vacuum using both an arc discharge and electron beam | Electricity | 47 | Expired |
| US5075181A | High hardness/high compressive stress multilayer coated tool | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5616373A | Plasma CVD method for producing a diamond coating | Electricity | 44 | Expired |
| US5909995A | Transport device for workpieces in a vacuum system | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5981899A | Capacitively coupled RF-plasma reactor | Electricity | 43 | Expired |
| US5090900A | Workpiece support for vacuum chamber | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4877505A | Method and apparatus for application of coatings on substrates | Chemistry; Metallurgy | 39 | Expired |
| US5292417A | Method for reactive sputter coating at least one article | Electricity | 38 | Expired |
| US5310607A | Hard coating; a workpiece coated by such hard coating and a method of coating such workpiece by such hard coating | Chemistry; Metallurgy | 38 | Expired |
| US5211759A | Method for a doublesided coating of optical substrates | Chemistry; Metallurgy | 37 | Expired |
| US5336326A | Method of and apparatus for a direct voltage arc discharge enhanced reactive treatment of objects | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4543467A | Effusion type evaporator cell for vacuum evaporators | Chemistry; Metallurgy | 36 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.