Cardinal IG Company
99Patents
60Active
99Granted
52Portfolio score
Filing activity: Nov 20, 1986 → Nov 28, 2023 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5302449A | High transmittance, low emissivity coatings for substrates | Emerging Cross-Sectional Technologies | 94 | Expired |
| US4780164A | Method for producing gas-containing insulating glass assemblies | Emerging Cross-Sectional Technologies | 93 | Expired |
| US6060178A | Heat temperable transparent glass article | Emerging Cross-Sectional Technologies | 90 | Expired |
| US5834103A | Transparent article having protective silicon nitride film | Emerging Cross-Sectional Technologies | 83 | Expired |
| US6158483A | Method for filling insulated glass units with insulating gas | Fixed Constructions | 81 | Expired |
| US5439716A | Multiple pane insulating glass unit with insulative spacer | Emerging Cross-Sectional Technologies | 79 | Expired |
| US5318685A | Method of making metal oxide films having barrier properties | Chemistry; Metallurgy | 76 | Expired |
| US5296302A | Abrasion-resistant overcoat for coated substrates | Emerging Cross-Sectional Technologies | 64 | Expired |
| US6102206A | Packaging for panels, e.g. glass panels | Performing Operations; Transporting | 60 | Expired |
| US5377473A | Insulating glass unit with insulative spacer | Fixed Constructions | 49 | Expired |
| US6231999A | Heat temperable transparent coated glass article | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5679419A | Multiple pane insulating glass unit with insulating spacer | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5573618A | Method for assembling custom glass assemblies | Fixed Constructions | 41 | Expired |
| US6652974B1 | Hard, scratch-resistant coatings for substrates | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5714214A | Multiple pane insulating glass unit with insulative spacer | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5705010A | Multiple pane insulating glass unit with insulative spacer | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4909874A | Method and apparatus for producing gas-containing insulating glass assemblies | Fixed Constructions | 28 | Expired |
| US9400411B2 | Multiple glazing having variable diffusion by liquid crystals, and method for manufacturing same | Physics | 24 | Active |
| US8595994B1 | Insulating glass unit with asymmetrical between-pane spaces | Emerging Cross-Sectional Technologies | 23 | Active |
| US9891454B2 | Multiple glazing with variable diffusion by liquid crystals and method of manufacture thereof | Physics | 23 | Active |
| US7076927B2 | Apparatus for manufacturing muntin bar assemblies | Fixed Constructions | 22 | Expired |
| US9726925B2 | Method for producing a multiple glazing unit with variable diffusion by PDLC layer and a multiple glazing unit with a PDLC layer produced according to said method | Physics | 22 | Active |
| US6553728B1 | Insulating glass unit pressure equalization valve | Fixed Constructions | 20 | Expired |
| US6086210A | Bendable mirrors and method of manufacture | Chemistry; Metallurgy | 19 | Expired |
| US5957169A | Apparatus and method for filling insulated glass units with insulating gas | Fixed Constructions | 19 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.