Peter Hirth
79Patents
6h-index
45Co-inventors
72Inventor score
Filing activity: Feb 5, 1986 → Feb 10, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5734710A | Communication system having a service feature which can be activated and/or deactivated | Electricity | 33 | Expired |
| US6040064A | Honeycomb body with thermal insulation, preferably for an exhaust gas catalytic converter | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7083860B2 | Metallic honeycomb body having at least partially perforated sheet-metal layers | Emerging Cross-Sectional Technologies | 10 | Expired |
| US9225107B2 | Electrical connection having a bushing or a conductor configured to absorb limited torque | Emerging Cross-Sectional Technologies | 7 | Active |
| US9393521B2 | Electrically heatable honeycomb body with multiple sheet metal layers electrically connected with a connecting pin | Emerging Cross-Sectional Technologies | 7 | Active |
| US4769835A | Method of and circuit arrangement for inserting dialling intervals between stored dialling digits | Electricity | 7 | Expired |
| US4723275A | Circuit arrangement for generating an acoustic ringing signal in a subscriber telephone set | Electricity | 6 | Expired |
| US9623373B2 | Electrically heatable honeycomb body assembly having an electrical connection of a plurality of sheet metal layers | Emerging Cross-Sectional Technologies | 6 | Active |
| US8173268B2 | Honeycomb body having radially differently configured connecting points | Emerging Cross-Sectional Technologies | 6 | Active |
| US7981498B2 | Honeycomb body with internal cavities | Emerging Cross-Sectional Technologies | 5 | Active |
| US10941688B2 | Electrical connection, in particular for an electrically heatable honeycomb body | Emerging Cross-Sectional Technologies | 5 | Active |
| US5416838A | Telephone receiver with adjustable support for base and handset | Electricity | 4 | Expired |
| US8155509B2 | Method and device for providing a gaseous substance mixture | Emerging Cross-Sectional Technologies | 4 | Active |
| US8341942B2 | Method for providing ammonia for the selective catalytic reduction of nitrogen oxides and corresponding device | Emerging Cross-Sectional Technologies | 3 | Active |
| US8107799B2 | Evaporator device for mobile anhydrous ammonia production, motor vehicle and method for producing such an evaporator device | Emerging Cross-Sectional Technologies | 3 | Active |
| US9091196B2 | Metallic honeycomb body with defined connecting points and motor vehicle having the honeycomb body | Emerging Cross-Sectional Technologies | 3 | Active |
| US9322314B2 | Method for operating an SCR dosing unit and motor vehicle having a dosing unit | Emerging Cross-Sectional Technologies | 3 | Active |
| US7986870B2 | Method and device for providing a gaseous substance mixture | Emerging Cross-Sectional Technologies | 3 | Active |
| US7700050B2 | Coated honeycomb body assembly with measurement sensor and exhaust system having the assembly | Emerging Cross-Sectional Technologies | 3 | Active |
| US9371760B2 | Method for operating an exhaust-gas treatment device having a heater and motor vehicle having the device | Emerging Cross-Sectional Technologies | 3 | Active |
| US7476825B2 | Roller seam welded body for exhaust gas treatment and process for producing the body | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US9540978B2 | Honeycomb body for exhaust-gas aftertreatment, method for producing a honeycomb body and motor vehicle having a honeycomb body | Emerging Cross-Sectional Technologies | 2 | Active |
| US6840984B2 | Device for adsorbing at least one component of an exhaust gas | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7510589B2 | Method for producing metal fibers, method for producing filter material, device for performing the method, fiber, filter material, particle filter, and motor vehicle having the filter material | Emerging Cross-Sectional Technologies | 2 | Active |
| US8353975B2 | Process for producing a fleece having metallic wire filaments, process for producing honeycomb body having at least one fleece, fleece, honeycomb body, apparatus and vehicle | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.