Inventor
Hugh L. McDermott
Inventor
Minneapolis, MN, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Cprimary
F01CRotary-piston or oscillating-piston machines or engines26%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers22%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids13%
Y10TTechnical subjects covered by former us classification13%
A61NElectrotherapy4%
B23FMaking gears or toothed racks4%
F16DCouplings for transmitting rotation4%
H04BTransmission4%
H04LTransmission of digital information, e.g. telegraphic communication4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
8,737,631'Method for adjusting a hearing device with frequency transposition and corresponding arrangement'20148,351,626'Audio amplification apparatus'20137,778,426'Feedback suppression in sound signal processing using frequency translation'20107,756,276'Audio amplification apparatus'20107,248,711'Method for frequency transposition and use of the method in a hearing device and a communication device'20075,741,314'Embedded data link and protocol'19984,132,090'Crowned involute splines and method of making'19794,082,480'Fluid pressure device and improved Geroler.RTM. for use therein'19784,035,113'Gerotor device with lubricant system'19774,021,161'Rotary fluid pressure device and thrust absorbing arrangement therefor'19774,008,018'Rotary fluid displacement device having improved porting'19774,008,015'Rotor-stator gear set'19773,944,378'Rotary fluid displacement apparatus with orbiting toothed ring member'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1977Patents assigned to MCDERMOTT HUGH L (2)· patent assignee history
1976–1977Based in Minneapolis, MN, US· patent location history
1977–1979Patents assigned to EATON CORP (5)· patent assignee history
1977–1979Based in Edina, MN, US· patent location history
1998–2013Based in Victoria, AU· patent location history
2007–2014Patents assigned to PHONAK AG (5)· patent assignee history
2007–2014Based in Mount Macedon, AU· patent location history
2010Based in Mt Macedon, AU· patent location history
2013–2014Patents assigned to MCDERMOTT HUGH (2)· patent assignee history
2014Patents assigned to BORETZKI MICHAEL (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EATON CORP | 5 | 1977–1979 |
| PHONAK AG | 5 | 2007–2014 |
| MCDERMOTT HUGHself | 2 | 2013–2014 |
| MCDERMOTT HUGH Lself | 2 | 1976–1977 |
| BORETZKI MICHAEL | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Minneapolis, Minnesota, US | 4 | 1976–1977 |
| Mount Macedon, AU | 3 | 2007–2014 |
| Edina, Minnesota, US | 3 | 1977–1979 |
| Victoria, AU | 2 | 1998–2013 |
| Mt Macedon, AU | 1 | 2010 |