Inventor · Fort Collins, CO, US

Daniel Graupe

24Patents
18h-index
14Co-inventors
78Inventor score

Filing activity: Feb 9, 1976 → Dec 15, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US4030141A Multi-function control system for an artificial upper-extremity prosthesis for above-elbow amputees Human Necessities 147 Expired
US4185168A Method and means for adaptively filtering near-stationary noise from an information bearing signal Electricity 124 Expired
US5016635A Control of FNS via pattern variations of response EMG Human Necessities 120 Expired
US4209860A System and method for multifunctional control of upper limb prosthesis via EMg signal identification Human Necessities 114 Expired
US5070873A Method of and apparatus for electrically stimulating quadriceps muscles of an upper motor unit paraplegic Human Necessities 108 Expired
US4025721A Method of and means for adaptively filtering near-stationary noise from speech Electricity 106 Expired
US5097510A Artificial intelligence pattern-recognition-based noise reduction system for speech processing Physics 85 Expired
US5081989A Microprocessor-controlled enhanced multiplexed functional electrical stimulator for surface stimulation in paralyzed patients Human Necessities 82 Expired
US5822370A Compression/decompression for preservation of high fidelity speech quality at low bandwidth Physics 78 Expired
US4188667A ARMA filter and method for designing the same Electricity 50 Expired
US5920852A Large memory storage and retrieval (LAMSTAR) network Physics 46 Expired
US5092329A Microprocessor-controlled multiplexed functional electrical stimulator for surface stimulation in paralyzed patients with safety enhancements Human Necessities 39 Expired
US5721694A Non-linear deterministic stochastic filtering method and system Electricity 33 Expired
US5014705A Microprocessor-controlled multiplexed functional electrical stimulator for surface stimulation in paralyzed patients Human Necessities 30 Expired
US5140640A Noise cancellation system Physics 26 Expired
US4126761A Method of and means for processing an audio frequency signal to conceal intelligility Electricity 22 Expired
US8775340B2 Detection and prediction of physiological events in people with sleep disordered breathing using a LAMSTAR neural network Physics 18 Active
US6032113A N-stage predictive feedback-based compression and decompression of spectra of stochastic data using convergent incomplete autoregressive models Physics 18 Expired
US8391986B2 Apparatus for managing a neurological disorder Human Necessities 17 Active
US8280516B2 Method and apparatus for closed-loop deep brain stimulation in treating neurological diseases Human Necessities 17 Active
US5768392A Blind adaptive filtering of unknown signals in unknown noise in quasi-closed loop system Electricity 16 Expired
US4086435A Method of and means for scrambling and descrambling speech at audio frequencies Electricity 9 Expired
US7747316B2 Blind adaptive filter extraction of fetal electrocardiogram signal estimate Human Necessities 2 Expired
US7680531B2 Separation of one or more fetal heart component signals from heart signal information obtained from a pregnant female Physics 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.