Inventor

JOHN W. ROBERTSON

Inventor
US

Overview

7→
Patents
2021–2025
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 7 as inventor

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

E05Cprimary
E05CBolts or fastening devices for wings, specially for doors or windows10%
E05DHinges or suspension devices for doors, windows or wings10%
E05FDevices for moving wings into open or closed position10%
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof10%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges10%
F16LPipes10%
G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data10%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines10%
H04QSelecting10%
H05KPrinted circuits10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2025Patents assigned to CHATSWORTH PROD INC (7)· patent assignee history
2021–2025Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHATSWORTH PROD INC72021–2025
Locations
LocationPatentsSpan
US72021–2025