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Christopher Todd Welsh — 15 Patents

MAMwm Acoustics: 5 patents #1 of 7Top 15%
ATAT&T: 5 patents #3,621 of 18,772Top 20%
HIHarman International Industries, Incorporated: 2 patents #383 of 1,027Top 40%
Noblesville, IN: #44 of 624 inventorsTop 8%
Indiana: #2,263 of 33,936 inventorsTop 7%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Christopher Todd Welsh has been granted 15 US patents while listed as an inventor at AT&T. The first was granted in 1996 and the most recent in August 2013. Christopher Todd Welsh ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Christopher Todd Welsh in Noblesville, IN, US.

Patents per Year

Patents granted per year, 1996 to 2013Bar chart with a peak of 4 patents in 2010.peak 41996: 1 patents19961997: 3 patents19971998: 1 patents19982000: 1 patents20002010: 4 patents20102012: 4 patents20122013: 1 patents2013

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8515084 Passive sound pressure level limiter with balancing circuit Joshua James Barr, Medford Alan Dyer, Alan Dean Michel 2013-08-20 $13,864,000
8340307 Passive sound pressure level limiter Joshua James Barr, Medford Alan Dyer, Alan Dean Michel 2012-12-25
8300871 Earphone for wideband communication Larry A. Marcus, John Charles Baumhauer, Jr. 2012-10-30
8155366 Transducer package with interior support frame John Charles Baumhauer, Jr., Alan Dean Michel, Joshua R. Barber, Jeffrey Phillip McAteer 2012-04-10
8107652 Controlled leakage omnidirectional electret condenser microphone element Medford Alan Dyer, Jeffrey Phillip McAteer, Alan Dean Michel, John Charles Baumhauer, Jr. 2012-01-31
7825509 Transducer package with transducer die unsupported by a substrate John Charles Baumhauer, Jr., Alan Dean Michel, Joshua R. Barber, Jeffrey Phillip McAteer 2010-11-02
7790492 Method for fabricating a transducer package with the transducer die unsupported by a substrate John Charles Baumhauer, Jr., Alan Dean Michel, Joshua R. Barber, Jeffrey Phillip McAteer 2010-09-07
7751575 Microphone system for communication devices John Charles Baumhauer, Jr., Larry A. Marcus, Alan Dean Michel, Jeffrey Phillip McAteer 2010-07-06
7646865 Telephone handset coupling system Alan Dean Michel, Michael Thomas Frank, John Charles Baumhauer, Jr., Larry A. Marcus 2010-01-12
D432119 Microphone Jeffrey Phillip McAteer, Alan Dean Michel 2000-10-17
5739481 Speaker mounting system John Charles Baumhauer, Jr., Chen-Chieh Lin, Raymond Motluck 1998-04-14 $22,452,000
5696359 Portable loudspeaker/directional microphone peripheral Larry A. Marcus 1997-12-09 $32,775,000
D384357 Directional microphone Jeffrey Phillip McAteer, William J. McLaughlin, Dennis J. Wasserman 1997-09-30
D381024 Directional microphone Gregory S. Hinzmann, Mark S. Kimbrough, Jeffrey Phillip McAteer 1997-07-15
5506908 Directional microphone system John Charles Baumhauer, Jr., Jeffrey Phillip McAteer, Alan Dean Michel, Kevin D. Willis 1996-04-09

Frequent Collaborators

Alan Dean Michel10 shared
Jeffrey Phillip McAteer9 shared
John Charles Baumhauer, Jr.9 shared
Larry A. Marcus4 shared
Medford Alan Dyer3 shared
Joshua R. Barber3 shared

Nearby-Ranked Inventors

Naoya Kasahara15
Aaron Larry Snyder15
Avishay Meron15
Stuart Hatfield15
Satoshi KUNIYASU15
Ashton Mason15
Theodore Yuchiang Cheng15
Richard Sharbaugh15
Rajen Bhatt15