Michael Holroyd
19Patents
5h-index
16Co-inventors
63Inventor score
Filing activity: Aug 10, 1993 → Feb 28, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6446627B1 | Inhaler dose counter | Physics | 176 | Expired |
| US6553988B1 | Medicament dispensing device with a multimaterial diaphragm bounding a pneumatic force chamber | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7637260B2 | Medicament dispensing device with a multimaterial diaphragm bounding a pneumatic force chamber | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7732020B2 | Method and apparatus for the application of powder material to substrates | Performing Operations; Transporting | 10 | Active |
| US5388549A | Milking sampling for diagnostic purposes | Physics | 9 | Expired |
| US5572946A | Milking sampling for diagnostic purposes | Human Necessities | 5 | Expired |
| US8600538B2 | System and method for producing three-dimensional multi-layer objects from digital models | Emerging Cross-Sectional Technologies | 3 | Active |
| US11145283B2 | Methods and systems for vocalist part mapping | Physics | 1 | Active |
| US11793938B2 | Devices for injecting medicaments and methods of use | Human Necessities | 1 | Active |
| US10217448B2 | System for creating, practicing and sharing of musical harmonies | Physics | 0 | Active |
| US10249209B2 | Real-time pitch detection for creating, practicing and sharing of musical harmonies | Physics | 0 | Active |
| US12329934B2 | Devices for injecting medicaments and methods of use | Human Necessities | 0 | Active |
| US8903534B2 | System and method for producing three-dimensional multi-layer objects from digital models | Emerging Cross-Sectional Technologies | 0 | Active |
| US11776516B2 | Methods and systems for vocalist part mapping | Physics | 0 | Active |
| US10192461B2 | Transcribing voiced musical notes for creating, practicing and sharing of musical harmonies | Physics | 0 | Active |
| US8225780B2 | Medicament dispensing device with a multimaterial diaphragm bounding a pneumatic force chamber | Emerging Cross-Sectional Technologies | 0 | Active |
| US11282407B2 | Teaching vocal harmonies | Physics | 0 | Active |
| US10964227B2 | System for creating, practicing and sharing of musical harmonies | Physics | 0 | Active |
| US12023468B2 | Devices for injecting medicaments and methods of use | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.