ARMSTRONG WORLD INDUSTRIES, INC.
🏢 View company profile →451Patents
19Active
451Granted
50Portfolio score
Filing activity: Jul 25, 1979 → Sep 9, 2022 · 13 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6329908A | Addressable speaker system | Electricity | 355 | Expired |
| US5112671A | Tile product having multiple levels of height, multiple levels of gloss and mortar-line surround | Emerging Cross-Sectional Technologies | 153 | Expired |
| US4562218A | Formable pulp compositions | Emerging Cross-Sectional Technologies | 129 | Expired |
| US4614680A | Decorative product | Emerging Cross-Sectional Technologies | 129 | Expired |
| US4637896A | Polymeric liquid crystals | Emerging Cross-Sectional Technologies | 125 | Expired |
| US4963603A | Composite fiberboard and process of manufacture | Textiles; Paper | 95 | Expired |
| US4585685A | Acoustically porous building materials | Emerging Cross-Sectional Technologies | 90 | Expired |
| US5045435A | Water-borne, alkali-developable, photoresist coating compositions and their preparation | Physics | 88 | Expired |
| US5134179A | Composite fiberboard and process of manufacture | Textiles; Paper | 82 | Expired |
| US5077112A | Floor covering with inorganic wear layer | Emerging Cross-Sectional Technologies | 82 | Expired |
| US4689259A | Floor tile product and process | Emerging Cross-Sectional Technologies | 81 | Expired |
| US5482551A | Extruded fire resistant construction and building products | Chemistry; Metallurgy | 77 | Expired |
| US6444075B1 | Hot melt calendered or extruded wear layer for embossed substrates and method of manufacture | Emerging Cross-Sectional Technologies | 77 | Expired |
| US6276421A | Release sheet application apparatus | Emerging Cross-Sectional Technologies | 76 | Expired |
| US5187501A | Printing system | Physics | 70 | Expired |
| USD486922S1 | Ceiling tile | General | 70 | Expired |
| US5572844A | Runner-trim connector | Fixed Constructions | 64 | Expired |
| US5036145A | Alkoxysilane and alkoxysilane terminated polyamic or polyimide lacquer composition | Chemistry; Metallurgy | 64 | Expired |
| US5126013A | Mica and vermiculite paper and its preparation | Textiles; Paper | 64 | Expired |
| US4464606A | Pulse width modulated dimming arrangement for fluorescent lamps | Emerging Cross-Sectional Technologies | 64 | Expired |
| USD292887S | Packaging container | General | 64 | Expired |
| USD372816S | Center display unit for floor covering samples | General | 61 | Expired |
| US5276082A | Halogen-free floor covering | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5277762A | Composite fiberboard and process of manufacture | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4411931A | Multiple step UV curing process for providing accurately controlled surface texture | Performing Operations; Transporting | 56 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.