Inventor
Steven DuFresne
Inventor
Hartland, WI, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Cprimary
A47CChairs30%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons30%
Y10TTechnical subjects covered by former us classification6%
B09BDisposal of solid waste not otherwise provided for3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
B60NSeats specially adapted for vehicles3%
B68GMethods, equipment, or machines for use in upholstering3%
C09JAdhesives3%
E05DHinges or suspension devices for doors, windows or wings3%
F16CShafts3%
PatentTitleYear
10,716,721Hinge assembly for a wheelchair component202010,595,639Adjustable chair support system202010,595,635Assembly for mounting and independent multi-direction adjustment of a seat back202010,492,966Adjustable backrest201910,369,065Back support attachment and adjustment assembly for a wheelchair201910,327,554Adjustable head support201910,308,841Process and apparatus for detaching a display module bonded by a liquid optically clear adhesive201910,264,891Adjustable chair support system201910,194,745Assembly for mounting and independent multi-direction adjustment of a seat back20199,986,840Adjustable chair support system20189,872,568Closure devices for seat cushions20189,789,019'Adjustable backrest'2017D0770945'Wheelchair back'2016D0759992'Wheelchair cushion'2016Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016–2020Patents assigned to THE COMFORT COMPANIES INC (5)· patent assignee history
2016Patents assigned to COMFORT COMPANIES INC (1)· patent assignee history
2016–2020Based in Hartland, WI, US· patent location history
2018Patents assigned to BOA TECH INC (1)· patent assignee history
2019–2020Patents assigned to THE COMFORT COMPANIES LLC (8)· patent assignee history
2019Patents assigned to HENKEL AG & CO KGAA (1)· patent assignee history
2019Based in Shanghai, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| THE COMFORT COMPANIES LLC | 8 | 2019–2020 |
| THE COMFORT COMPANIES INC | 5 | 2016–2020 |
| BOA TECH INC | 1 | 2018 |
| COMFORT COMPANIES INC | 1 | 2016 |
| HENKEL AG & CO KGAA | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hartland, WI, US | 13 | 2016–2020 |
| Shanghai, CN | 1 | 2019 |