Inventor

Douglas Sawyer, Jr.

Inventor
Seekonk, MA, US

Overview

8→
Patents
2015–2021
Patent span
Physics
Primary field (CPC G)

Patents· 8 as inventor

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

E04Hprimary
E04HBuildings or like structures for particular purposes13%
G05BControl or regulating systems in general11%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body6%
C02FTreatment of water, waste water, sewage, or sludge6%
H04LTransmission of digital information, e.g. telegraphic communication6%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids6%
F21VFunctional features or details of lighting devices or systems thereof4%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems4%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2021Patents assigned to HAYWARD IND INC (7)· patent assignee history
2015–2021Based in Seekonk, MA, US· patent location history
2018Patents assigned to CHEN PATRICK (2)· patent assignee history
2018Patents assigned to SAWYER DOUGLAS (2)· patent assignee history
2018Patents assigned to CARTER JAMES (1)· patent assignee history
2018Patents assigned to DENKEWICZ RAYMOND (1)· patent assignee history
2018Based in Seekon, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAYWARD IND INC72015–2021
CHEN PATRICK22018
SAWYER DOUGLASself22018
CARTER JAMES12018
DENKEWICZ RAYMOND12018
Locations
LocationPatentsSpan
Seekonk, Massachusetts, US72015–2021
Seekon, Massachusetts, US12018