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David A. Donovan — 18 Patents

Apple: 8 patents #3,866 of 18,612Top 25%
Ford: 6 patents #2,924 of 17,473Top 20%
DYDynapar: 2 patents #2 of 25Top 8%
ICInc Square, Co.: 2 patents #216 of 546Top 40%
Winnabow, NC: #1 of 6 inventorsTop 20%
North Carolina: #2,621 of 45,564 inventorsTop 6%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
David A. Donovan has been granted 18 US patents while listed as an inventor at Apple. The first was granted in 1986 and the most recent in March 2020. David A. Donovan ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list David A. Donovan in Winnabow, NC, US.

Patents per Year

Patents granted per year, 1986 to 2020Bar chart with a peak of 5 patents in 2014.peak 51986: 1 patents19861989: 2 patents19891990: 1 patents19901996: 1 patents19961997: 1 patents19972013: 3 patents20132014: 5 patents20142015: 1 patents20152016: 1 patents20162020: 2 patents2020

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10579566 Point of sale device with switchable internal connection roles Cory Douthat, Matthew H. Maibach, John Kelley, Zachary Crosby 2020-03-03 $36,818,000
10581855 Secured device manufacturing self-test Michael C. Lamfalusi, John Kelley 2020-03-03 $36,818,000
D753067 Electrical contactor John Marshall Thomasson, Cathleen M. Clausen, Nicholas Graham Hartman 2016-04-05
9020018 Systems for calibration of wireless electronic devices Gary Do, Gurusubrahmaniyan Subrahmaniyan Radhakrishnan 2015-04-28 $79,667,000
8913973 Methods for determining optimum power supply voltages for radio-frequency power amplifier circuitry Justin Gregg, Vishuanath Venkataraman 2014-12-16 $74,972,000
D713359 Electrical contactor John Marshall Thomasson, Cathleen M. Clausen, Nicholas Graham Hartman 2014-09-16
8805306 Method for determining optimum power amplifier configurations using list mode testing Wassim El-Hassan 2014-08-12 $58,376,000
8706044 Methods of testing wireless devices in over-the-air radio-frequency test systems without path loss characterization Thomas W. Chang, Adil Syed 2014-04-22 $56,643,000
8660812 Methods for calibrating over-the-air path loss in over-the-air radio-frequency test systems Justin Gregg, Tomoki Takeya 2014-02-25 $91,032,000
8583062 Methods for determining optimum power supply voltages for radio-frequency power amplifier circuitry Justin Gregg, Vishwanath Venkataraman 2013-11-12 $110,833,000
8437793 Wireless transmitter calibration using absolute power requests Justin Gregg 2013-05-07 $93,441,000
8422968 Wireless electronic device with open-loop and closed-loop output power control Justin Gregg 2013-04-16 $152,609,000
5671634 Measuring adhesion of cylinder bore coatings — 1997-09-30 $39,674,000
5573814 Masking cylinder bore extremities from internal thermal spraying — 1996-11-12 $31,885,000
4908923 Method of dimensionally stabilizing interface between dissimilar metals in an internal combustion engine Anthony T. Anderson 1990-03-20 $31,151,000
4847961 Method and apparatus for stitch-machining deep cavities in metal workpieces Nathaniel L. Field 1989-07-18 $11,444,000
4842450 Method and apparatus for self-adjusting boring bar Nathaniel L. Field 1989-06-27 $13,555,000
4573348 Angular positioning actuator Robert D. Abramson, Nathaniel L. Field 1986-03-04 $19,923,000

Frequent Collaborators

Justin Gregg5 shared
Nathaniel L. Field3 shared
John Kelley2 shared
Nicholas Graham Hartman2 shared
Cathleen M. Clausen2 shared
John Marshall Thomasson2 shared

Nearby-Ranked Inventors

Takuma Inami18
Daniel Mills18
Jeffrey J. Beaver18
Atilhan Manay18
Chung-Wen Lo18
Andrew KENNEDY18
Max Heimel18
Kevin Skadron18
John B. Halander18