Inventor

Richard A. Stewart

Inventor

Temperance, MI, US

Overview

3→

Patents

1997–2019

Patent span

Physics

Primary field (CPC G)

Patents· 3 as inventor

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

B66Bprimary

B66BElevators29%

F15BSystems acting by means of fluids in general14%

F16DCouplings for transmitting rotation14%

G06FElectric digital data processing14%

G16CComputational chemistry14%

G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data14%

PatentTitleYear

10,452,815Control system for control of distribution of medication2019 6,206,145'Brake apparatus for a hydraulic elevator'2001 5,638,937'Handrail drive system conversion'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2001Patents assigned to INVENTIO AG (2)· patent assignee history

1997–2001Based in Temperance, MI, US· patent location history

2019Patents assigned to ZOGENIX INTERNATIONAL LTD (1)· patent assignee history

2019Based in Henley-on-Thames, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
INVENTIO AG	2	1997–2001
ZOGENIX INTERNATIONAL LTD	1	2019

Locations

Location	Patents	Span
Temperance, MI, US	2	1997–2001
Henley-on-Thames, GB	1	2019