ElringKlinger AG
🏢 View company profile →174Patents
122Active
174Granted
55Portfolio score
Filing activity: Nov 30, 1995 → Jan 28, 2023 · 39 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6976683B2 | Cylinder head gasket | Mechanical Engineering; Lighting; Heating | 56 | Expired |
| US6361830B1 | Process for manufacturing metal sheet gaskets coated with elastomer | Emerging Cross-Sectional Technologies | 40 | Expired |
| US8336359B2 | Method for selectively forming (plastic working) at least one region of a sheet metal layer made from a sheet of spring steel, and a device for carrying out this method | Emerging Cross-Sectional Technologies | 33 | Active |
| US7959159B2 | Sealing arrangement | Mechanical Engineering; Lighting; Heating | 30 | Active |
| US7459196B2 | Shielding device | Emerging Cross-Sectional Technologies | 30 | Active |
| US6769696B2 | At least substantially metallic cylinder head gasket | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US6309157A | Screw with sleeve | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5695200A | Metallic cylinder head gasket with rounded deformation limiter | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6670068B1 | Fuel cell unit, composite block of fuel cells and method for manufacturing a composite block of fuel cells | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6561312B2 | Device for in particular acoustically uncoupled mounting | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6343795B1 | Flat gasket | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6349945B1 | Cylinder head gasket | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5927724A | Cylinder head gasket | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5876038A | Metallic cylinder head gasket | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6053503A | Cylinder head gasket with a gasket plate having several sheet-metal layers | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US7771149B2 | Combination of a screw member, a washer and a sleeve and also a method of producing such a combination | Emerging Cross-Sectional Technologies | 12 | Active |
| US5863046A | Cylinder head gasket with deformable deformation limiter | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US7686554B2 | Combination of a screw member, a washer and a sleeve and also a method of producing such a combination | Emerging Cross-Sectional Technologies | 12 | Active |
| US6250644A | Cylinder head gasket | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6148516A | Metallic cylinder head gasket | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6450504B2 | Cylinder head gasket | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US9127590B2 | Turbocharger | Emerging Cross-Sectional Technologies | 11 | Active |
| US9182041B2 | Seal for sealing a sealing gap and method for producing a seal of this type | Emerging Cross-Sectional Technologies | 11 | Active |
| US6926282B2 | Cylinder head gasket | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US7527269B2 | Cylinder head gasket having deformation delimiting devices radially inside and outside sealing bead | Mechanical Engineering; Lighting; Heating | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.