Inventor
John Charles Baumhauer, Jr.
Inventor
Indianapolis, IN, US
Overview
Patents· 24 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 transducers61%
H04MTelephonic communication11%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
B81BMicrostructural devices or systems, e.g. micromechanical devices6%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems6%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%
H01LSemiconductor devices3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
10,827,245Gradient micro-electro-mechanical systems (MEMS) microphone with varying height assemblies202010,771,875Gradient micro-electro-mechanical systems (MEMS) microphone202010,154,330Gradient micro-electro-mechanical systems (MEMS) microphone20189,955,246Gradient micro-electro-mechanical systems (MEMS) microphone with varying height assemblies20188,804,982'Dual cell MEMS assembly'20148,300,871'Earphone for wideband communication'20128,155,366'Transducer package with interior support frame'20128,107,652'Controlled leakage omnidirectional electret condenser microphone element'20127,825,509'Transducer package with transducer die unsupported by a substrate'20107,790,492'Method for fabricating a transducer package with the transducer die unsupported by a substrate'20107,751,575'Microphone system for communication devices'20107,646,865'Telephone handset coupling system'20107,182,324'Microphone isolation system'20076,683,964'Direction finder'20046,389,145'Methods and apparatus for controlling the output of moving armature transducers'20025,848,172'Directional microphone'19985,739,481'Speaker mounting system'19985,651,074'Noise canceling gradient microphone assembly'19975,515,445'Long-time balancing of omni microphones'19965,506,908'Directional microphone system'19965,226,076'Directional microphone assembly'19935,121,426'Loudspeaking telephone station including directional microphone'19924,533,795'Integrated electroacoustic transducer'19854,046,974'Electroacoustic transducer with springs forming electrical interconnections as a result of assembly'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–2020Based in Indianapolis, IN, US· patent location history
1985–1993Patents assigned to AT & T BELL LAB (3)· patent assignee history
1997–2004Patents assigned to LUCENT TECHNOLOGIES INC (4)· patent assignee history
2010–2012Patents assigned to MWM ACOUSTICS LLC (5)· patent assignee history
2010–2014Patents assigned to MCATEER JEFFREY PHILLIP (4)· patent assignee history
2014–2020Patents assigned to HARMAN INT IND (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HARMAN INT IND | 5 | 2014–2020 |
| MWM ACOUSTICS LLC | 5 | 2010–2012 |
| LUCENT TECHNOLOGIES INC | 4 | 1997–2004 |
| MCATEER JEFFREY PHILLIP | 4 | 2010–2014 |
| AT & T BELL LAB | 3 | 1985–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Indianapolis, IN, US | 24 | 1977–2020 |