Inventor

Robert K. Johnson

Inventor
Blaine, MN, US

Overview

34→
Patents
1976–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 34 as inventor

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

F16Lprimary
F16LPipes10%
Y10TTechnical subjects covered by former us classification8%
B67DDispensing, delivering or transferring liquids, not otherwise provided for6%
A61NElectrotherapy5%
B63BShips or other waterborne vessels5%
F16KValves5%
LOC135%
Y02PClimate change mitigation technologies in the production or processing of goods5%
A61MDevices for introducing media into, or onto, the body3%
A63CSkates3%
PatentTitleYear
11,056,908Uninterruptible power supply systems and methods using isolated interface for variably available power source202111,042,945Device sensing2021D0916495Stand for a shaving razor2021D0910917Handle for a shaving razor202110,899,030Razor handle with a pivoting portion202110,837,583Coupling assembly with retaining clip member202010,151,409Coupling assembly with retaining clip member201810,046,324Reagent magazine with motor latch coupler2018D0649939'Fluid and electrical coupling'2011D0649938'Fluid and electrical coupling'20117,708,025'Poppet valve member'20107,394,375'Coupler with radio frequency identification tag'20087,060,434'Probes for myctophid fish and a method for developing the same'20066,978,800'Closure device with self-aligning poppet'20056,962,275'Fluid coupling with disposable connector body'20056,848,602'Coupling and closure apparatus for dispensing valve assembly'20056,626,419'Fluid coupling valve assembly'20036,391,369'Selectively hydrogenated high oleic oil compositions and process'20026,182,596'System for minimizing the effects of shock and vibration in a high speed vessel'20016,173,203'Circuit mounting system for automated external defibrillator circuits'20016,090,203'Bowling lane oil application device and method'20006,064,909'Water resistant speaker port for automated external defibrillators'20005,996,524'Boat anchor davit'1999D0405754'Battery housing'19995,868,794'AED and battery pack with anticipatory battery disengagement detection'1999D0402758'Automated external defibrillator'19985,765,841'In-line skate with full access frame'1998D0394903'External defibrillator'19985,331,752'Skate with detachable shoe'1994D0344119'Roller skate frame'1994D0340125'Shoe'19935,211,126'Ship or boat construction having three hulls'19934,101,315'Recovery of silver from cuprous chloride solutions by co-crystallization with sodium chloride'19783,957,602'Recovery of copper from chalcopyrite utilizing copper sulfate leach'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1998Patents assigned to ROLLERBLADE INC (4)· patent assignee history
1993–2011Patents assigned to JOHNSON ROBERT K (3)· patent assignee history
1993–2020Based in Blaine, MN, US· patent location history
1993–2001Based in Largo, FL, US· patent location history
1998–2000Patents assigned to SURVIVALINK CORP (5)· patent assignee history
2003–2020Patents assigned to COLDER PROD CO (11)· patent assignee history
2021Patents assigned to GILLETTE CO LLC (3)· patent assignee history
2021Based in Hingham, MA, US· patent location history
2021Based in Raleigh, NC, US· patent location history
2021Based in Hoffman Estates, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COLDER PROD CO112003–2020
SURVIVALINK CORP51998–2000
ROLLERBLADE INC41993–1998
GILLETTE CO LLC32021
JOHNSON ROBERT Kself31993–2011
Locations
LocationPatentsSpan
Blaine, Minnesota, US211993–2020
Largo, Florida, US31993–2001
Hingham, Massachusetts, US22021
Raleigh, NC, US12021
Hoffman Estates, Illinois, US12021