Inventor
William A. Ryan
Inventor
Elgin, IL, US
Overview
13→
Patents
1988–2020
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers23%
F25BRefrigeration machines, plants or systems15%
Y02ATechnologies for adaptation to climate change15%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications15%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing8%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers4%
B67DDispensing, delivering or transferring liquids, not otherwise provided for4%
B81BMicrostructural devices or systems, e.g. micromechanical devices4%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems4%
F16KValves4%
PatentTitleYear
10,820,083Acoustic assembly having an acoustically permeable membrane20209,872,116'Apparatus and method for detecting earphone removal and insertion'20189,712,913'Acoustic sound adsorption material having attached sphere matrix'20178,798,304'Acoustic valve mechanisms'20148,594,347'Microphone having multiple transducer elements'20138,170,244'Microphone having multiple transducer elements'20127,556,568'Sports equipment swing training apparatus'20096,991,554'Sports equipment swing training apparatus and method of use'20065,442,931'Simplified adsorption heat pump using passive heat recuperation'19955,291,942'Multiple stage sorption and desorption process and apparatus'19945,255,534'System and process for operating and absorption cycle around a crystallization curve of the solution'19935,216,891'Solution flows in direct expansion lithium bromide air conditioner/heater'19934,736,871'Liquid measuring dispenser'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2014Patents assigned to RYAN WILLIAM A (5)· patent assignee history
1993–1995Patents assigned to GAS RES INST (4)· patent assignee history
1993–1995Based in Chicago, IL, US· patent location history
2006–2009Based in Playa Del Rey, CA, US· patent location history
2012–2020Patents assigned to KNOWLES ELECTRONICS LLC (5)· patent assignee history
2012–2013Patents assigned to ABRY MICHAEL (2)· patent assignee history
2012–2013Patents assigned to LOEPPERT PETER V (2)· patent assignee history
2012–2017Based in Elgin, IL, US· patent location history
2018Based in Villa Park, IL, US· patent location history
2020Based in Itasca, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KNOWLES ELECTRONICS LLC | 5 | 2012–2020 |
| RYAN WILLIAM Aself | 5 | 1988–2014 |
| GAS RES INST | 4 | 1993–1995 |
| ABRY MICHAEL | 2 | 2012–2013 |
| LOEPPERT PETER V | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Elgin, Illinois, US | 4 | 2012–2017 |
| Chicago, Illinois, US | 4 | 1993–1995 |
| Playa Del Rey, California, US | 2 | 2006–2009 |
| Itasca, Illinois, US | 1 | 2020 |
| Villa Park, Illinois, US | 1 | 2018 |