Patent assignee · CH · COMPANY

INVENTIO AG

1,514Patents
893Active
1,514Granted
58Portfolio score

Filing activity: Jun 20, 1975 → May 24, 2024 · 220 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5963635A Method and apparatus for providing result-oriented customer service Electricity 348 Expired
US5594791A Method and apparatus for providing result-oriented customer service Electricity 323 Expired
US4797911A Customer account online servicing system Electricity 312 Expired
US5309505A Automated voice system for improving agent efficiency and improving service to parties on hold Electricity 227 Expired
US5214688A Method and apparatus for dynamic and interdependent processing of inbound calls and outbound calls Electricity 216 Expired
US5675637A Method for automatically obtaining and presenting data from multiple data sources Electricity 213 Expired
US4894857A Method and apparatus for customer account servicing Electricity 189 Expired
US5511112A Automated voice system for improving agent efficiency and improving service to parties on hold Electricity 167 Expired
US6359892B1 Remote access, emulation, and control of office equipment, devices and services Electricity 160 Expired
US5689094A Elevator installation Performing Operations; Transporting 131 Expired
US5648644A Brake regulating apparatus for an elevator car Performing Operations; Transporting 120 Expired
US5828731A Method and apparatus for non-offensive termination of an outbound call and for detection of an answer of an outbound call by an answering machine Electricity 120 Expired
US5174675A Guide bar for an elevator door Emerging Cross-Sectional Technologies 116 Expired
USRE36416E Method and apparatus for dynamic and interdependent processing of inbound calls and outbound calls General 108 Expired
US6223160A Apparatus and method for acoustic command input to an elevator installation Performing Operations; Transporting 103 Expired
US6314089A Creating and using an adaptable multiple-contact transaction object Electricity 102 Expired
US6801792B1 Method for communication with a transportation system Performing Operations; Transporting 99 Expired
US9681773B2 Oven having an H-shaped rotating door Electricity 93 Active
US9480364B2 Oven having an H-shaped rotating door Electricity 91 Active
US5501295A Cableless elevator system Performing Operations; Transporting 87 Expired
US6118763A Transmission of voice over an asynchronous network Electricity 85 Expired
US5932853A Identification system for a lift installation Performing Operations; Transporting 84 Expired
US5581602A Non-offensive termination of a call detection of an answering machine Electricity 84 Expired
US4708224A Apparatus for the load dependent control of an elevator Performing Operations; Transporting 83 Expired
USD654880S1 Elevator pushbutton General 83 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.