Robert J. Nelson — 91 Patents at 3M

Robert J. Nelson has been granted 91 US patents while listed as an inventor at 3M. The first was granted in 1987 and the most recent in March 2021. Robert J. Nelson ranks #17,516 of 4,157,543 US inventors in our database (top 0.42%). Patent records list Robert J. Nelson in Orlando, FL, US.

Issued Patents All Time

Showing 1–25 of 91 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10954921	Shadow detection	—	2021-03-23
10910841	Method and system for power grid voltage regulation by distributed energy resources	Najlae M. Yazghi	2021-02-02
10630079	Fault ride-through capability for wind turbine	John Amos	2020-04-21
10042374	Method and apparatus for determining a weakened grid condition and controlling a power plant in a manner appropriate to the grid condition	Najlae M. Yazghi, Hongtao Ma, William F. Clark, Jr.	2018-08-07
9871382	Method and controller for continuously operating a plurality of electric energy generating machines during a high voltage condition	Najlae M. Yazghi, William F. Clark, Jr.	2018-01-16
9593672	Isochronous wind turbine generator capable of stand-alone operation	Jesper Hammelsvang, Hongtao Ma, Jakob Skjoeth	2017-03-14
9570916	Inertial response function for grids with high turbine penetration	Kaj Skov Nielsen	2017-02-14
9541062	Method of operating a wind park	Bo Yin, Björn Andresen, Michael Stoettrup, Per Egedal	2017-01-10
9478987	Power oscillation damping employing a full or partial conversion wind turbine	—	2016-10-25
9458828	Controlling wind power plant with negative power capability to respond to grid frequency instability	Kaj Skov Nielsen, Hongtao Ma	2016-10-04
9450416	Wind turbine generator controller responsive to grid frequency change	Hongtao Ma, Najlae M. Yazghi, William F. Clark, Jr.	2016-09-20
9318283	Apparatus including a circuit breaker adapted to selectively provide arc flash protection in connection with a wind turbine	Edmund B. Becker, III	2016-04-19
9190845	Method and apparatus for adaptively controlling wind park turbines	Hongtao Ma	2015-11-17
9178357	Power generation and low frequency alternating current transmission system	—	2015-11-03
8988907	Compensating element connected to a power line through an autotransformer	—	2015-03-24
8823193	Method and system for limitation of power output variation in variable generation renewable facilities	Najlae M. Yazghi, Hongtao Ma, William F. Clark, Jr.	2014-09-02
8688286	Method for maintaining an optimal amount of energy derived from a power generation system in a storage device	Bryan T. Lin	2014-04-01	$814,000
8557838	Immune response modifier formulations containing oleic acid and methods	Alexis S. Statham	2013-10-15
8558405	Method and system for operating and controlling a wind turbine to prevent excitation of subsynchronous oscillations within the wind turbine	Paul Brian Brogan	2013-10-15	$644,000
8301311	Frequency-responsive wind turbine output control	—	2012-10-30
8219256	Bang-bang controller and control method for variable speed wind turbines during abnormal frequency conditions	John Amos, Hongtao Ma	2012-07-10	$443,000
8080560	Immune response modifier formulations containing oleic acid and methods	Alexis S. Statham	2011-12-20	$19,229,000
7999433	Rotor winding shield for a superconducting electric generator	Jiping Zhang, Peter J. Clayton, William R. McCown	2011-08-16	$997,000
7939555	Method of preparing a pharmaceutical cream and minimizing imiquimod impurity formation	Alexis S. Statham	2011-05-10	$13,900,000
7928116	Method of treating actinic keratosis	Alexis S. Statham	2011-04-19	$33,374,000

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Robert J. Nelson — 91 Patents

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