LexDanaLexDanabeta
Inventor

Chris Grace

Inventor
Stoneham, MA, US

Overview

3→
Patents
2017–2020
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A47Lprimary
A47LDomestic washing or cleaning67%
E21BEarth or rock drilling33%
PatentTitleYear
10,612,336Rotating control device202010,405,718Debris evacuation for cleaning robots20199,788,698'Debris evacuation for cleaning robots'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2019Patents assigned to IROBOT CORP (2)· patent assignee history
2017–2019Based in Stoneham, MA, US· patent location history
2020Patents assigned to HALLIBURTON ENERGY SERVICES INC (1)· patent assignee history
2020Based in Coppell, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IROBOT CORP22017–2019
HALLIBURTON ENERGY SERVICES INC12020
Locations
LocationPatentsSpan
Stoneham, Massachusetts, US22017–2019
Coppell, Texas, US12020