Inventor
Michael E. Duffy
Inventor
Plattsmouth, NE, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A63Bprimary
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing12%
LOC1212%
A61BDiagnosis6%
A61NElectrotherapy6%
C21DModifying the physical structure of ferrous metals6%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys6%
G01FMeasuring volume, volume flow, mass flow or liquid level6%
G06FElectric digital data processing6%
G09BEducational or demonstration appliances6%
G10DStringed musical instruments6%
PatentTitleYear
10,342,461Method of gait evaluation and training with differential pressure system20199,766,109'Capacitive liquid level sensor'20179,517,390'Hockey puck locker'2016D0688986'Puck hitch device'2013D0666538'Puck hitch device'20125,400,684'Tremolo bar'19955,271,777'High efficiency coil fabrication process'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993Based in Sandy Hook, CT, US· patent location history
1995Based in Tacoma, WA, US· patent location history
2012–2016Patents assigned to DUFFY MICHAEL E (3)· patent assignee history
2012–2016Based in Plattsmouth, NE, US· patent location history
2017Patents assigned to ARMSTRONG IAN (1)· patent assignee history
2017Patents assigned to DUFFY MICHAEL (1)· patent assignee history
2017Patents assigned to FITZGERALD STEPHEN PETER (1)· patent assignee history
2017Based in Crumlin, GB· patent location history
2019Patents assigned to ALTERG INC (1)· patent assignee history
2019Based in Sebastopol, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DUFFY MICHAEL Eself | 3 | 2012–2016 |
| ALTERG INC | 1 | 2019 |
| ARMSTRONG IAN | 1 | 2017 |
| DUFFY MICHAELself | 1 | 2017 |
| FITZGERALD STEPHEN PETER | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Plattsmouth, NE, US | 3 | 2012–2016 |
| Sebastopol, California, US | 1 | 2019 |
| Crumlin, GB | 1 | 2017 |
| Tacoma, Washington, US | 1 | 1995 |
| Sandy Hook, CT, US | 1 | 1993 |