Inventor

Stephen Bertram Johnson

Inventor

Greenville, SC, US

Overview

22→

Patents

2012–2020

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 22 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y02Eprimary

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution18%

F03DWind motors17%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g14%

Y02PClimate change mitigation technologies in the production or processing of goods7%

Y10TTechnical subjects covered by former us classification7%

B29CShaping or joining of plastics6%

B29LIndexing scheme associated with subclass b29c, relating to particular articles6%

B29DProducing particular articles from plastics or from substances in a plastic state4%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts3%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering3%

PatentTitleYear

10,865,769Methods for manufacturing wind turbine rotor blade panels having printed grid structures2020 10,830,206Methods for manufacturing wind turbine rotor blades and components thereof2020 10,773,464Method for manufacturing composite airfoils2020 10,690,111Wind turbine rotor blade2020 10,677,216Wind turbine rotor blade components formed using pultruded rods2020 10,611,061Methods for manufacturing wind turbine rotor blades2020 10,605,227Segmented wind turbine rotor blade with welded joint2020 10,132,290Apparatus and method for aerodynamic performance enhancement of a wind turbine2018 9,745,956'Spar cap for a wind turbine rotor blade'2017 9,683,548'Tool and method for scarfing a rotor blade segment'2017 9,429,139'Transportation assembly for rotor blade'2016 9,194,363'Apparatus and method for aerodynamic performance enhancement of a wind turbine'2015 9,086,055'Lubrication of fluid turbine gearbox during idling or loss of electric grid'2015 8,869,940'Dual temperature oil control system and method for a wind turbine gearbox'2014 8,602,700'Shipping fixture and method for transporting rotor blades'2013 8,550,957'Gear system and method for using same'2013 8,529,818'Automated fiber placement in female mold'2013 8,376,708'Drivetrain system for a wind turbine generator and method of assembling the same'2013 8,314,529'Coil assembly for an electric machine'2012 8,245,458'Wind turbine with tower support system and associated method of construction'2012 8,225,497'Permanent magnet rotor installation systems'2012 8,171,614'Systems and method of assembling a tower section'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2020Patents assigned to GEN ELECTRIC (22)· patent assignee history

2012–2015Patents assigned to JOHNSON STEPHEN BERTRAM (10)· patent assignee history

2012–2013Patents assigned to JANSEN PATRICK LEE (2)· patent assignee history

2012Patents assigned to ZHENG DANIAN (2)· patent assignee history

2012–2020Based in Greenville, SC, US· patent location history

2013–2015Patents assigned to HIDDING EDWIN (2)· patent assignee history

2020Based in New Castle, NH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	22	2012–2020
JOHNSON STEPHEN BERTRAMself	10	2012–2015
HIDDING EDWIN	2	2013–2015
JANSEN PATRICK LEE	2	2012–2013
ZHENG DANIAN	2	2012

Locations

Location	Patents	Span
Greenville, SC, US	19	2012–2020
New Castle, NH, US	3	2020