Inventor

John M. Vranish

Inventor

Crofton, MD, US

Overview

43→

Patents

1983–2011

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 43 as inventor

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

B25Jprimary

B25JManipulators14%

F16DCouplings for transmitting rotation10%

F16HGearing10%

Y10TTechnical subjects covered by former us classification9%

H01RElectrically-conductive connections5%

H02KDynamo-electric machines5%

H03KPulse technique5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

B64GCosmonautics4%

F16CShafts4%

PatentTitleYear

8,016,893'Gear bearing drive'2011 7,989,992'Linear tape motor'2011 7,762,155'Partial tooth gear bearings'2010 7,622,907'Device, system and method for a sensing electrical circuit'2009 7,601,091'Modular gear bearings'2009 7,544,146'Anti-backlash gear bearings'2009 7,513,546'Conformal gripping device'2009 7,504,921'Stepping flexures'2009 7,255,483'Thrust rollers'2007 7,207,245'Screw-locking wrench'2007 6,847,354'Three dimensional interactive display'2005 6,734,602'Linear magnetostrictive actuator'2004 6,640,949'1-way bearing'2003 6,626,792'Gear bearings'2003 6,410,999'Magnetostrictive magnetically controlled sprag locking motor'2002 RE036772'Driven shielding capacitive proximity sensor'2000 5,967,267'Roller unlocking sprags'1999 5,868,226'Screw-released roller brake'1999 5,836,701'Mechanical spin bearings'1998 5,726,581'3-D capaciflector'1998 5,540,630'Twist planet drive'1996 5,539,292'Capaciflector-guided mechanisms'1996 5,515,001'Current-measuring operational amplifier circuits'1996 5,482,144'Three-dimensional roller locking sprags'1996 5,442,347'Double-driven shield capacitive type proximity sensor'1995 5,409,431'Carrier-less, anti-backlash planetary drive system'1995 5,373,245'Capaciflector camera'1994 5,358,460'Flex-gear power transmission system for transmitting EMF between sun and ring gears'1994 5,275,261'Electromagnetic brake/clutch device'1994 5,271,286'Spline screw multiple rotations mechanism'1993 5,261,758'Split spline screw'1993 5,244,406'Spline screw payload fastening system'1993 5,219,318'Spline screw autochanger'1993 5,214,388'Phase discriminating capacitive array sensor system'1993 5,174,772'Work attachment mechanism/work attachment fixture'1992 5,166,679'Driven shielding capacitive proximity sensor'1992 5,120,101'Rolling friction robot fingers'1992 5,103,941'Roller locking brake'1992 5,079,460'Magnetostrictive roller drive motor'1992 4,950,987'Magneto-inductive sensor for performing tactile and proximity sensing'1990 4,707,013'Split rail parallel gripper'1987 4,598,595'Torque gauge for applications including robotics'1986 4,421,205'Magnetic ship\'s hog line holder'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2004Patents assigned to US NAVY (4)· patent assignee history

1983–2011Based in Crofton, MD, US· patent location history

1990Patents assigned to UNIV NORTH CAROLINA (1)· patent assignee history

1992–2011Patents assigned to NASA (23)· patent assignee history

1993–1998Patents assigned to US ARMY (12)· patent assignee history

2011Patents assigned to UNIV NORTHEASTERN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NASA	23	1992–2011
US ARMY	12	1993–1998
US NAVY	4	1983–2004
UNIV NORTH CAROLINA	1	1990
UNIV NORTHEASTERN	1	2011

Locations

Location	Patents	Span
Crofton, Maryland, US	43	1983–2011