Inventor

Dennis Digby

Inventor

Lake Oswego, OR, US

Overview

1979–2009

Patent span

Human necessities

Primary field (CPC A)

Patents· 14 as inventor

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

A61Nprimary

A61NElectrotherapy67%

A61BDiagnosis11%

G08CTransmission systems for measured values, control or similar signals11%

A61MDevices for introducing media into, or onto, the body6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

PatentTitleYear

7,511,938'Filtering assembly and a feedthrough assembly'2009 RE038680'Arrangement for determining a heart rate by automatically establishing the optimal refractory time for heart rate determination'2005 6,704,596'Electrically active medical implant'2004 6,064,907'Arrangement for determining a heart rate automatically establishing the optimal refractory time for heart rate determination'2000 5,891,169'Method of processing signals characteristic of cardiac activity and an associated device'1999 5,843,134'Therapy device'1998 5,824,014'Medical therapy device producing a variable therapy in response to measured sensor values corrected with temporal fluctuation values'1998 4,977,899'Heart data monitoring method and apparatus'1990 4,958,641'Heart data monitoring method and apparatus'1990 4,211,235'Programmer for implanted pacer'1980 4,203,447'Security maintenance for programmable pacer reprogramming'1980 4,173,230'Noise elimination and refractory period control in demand pacers'1979 4,170,999'Demand pacer having reduced recovery time'1979 4,169,480'Demand pacer with programmable rate hysteresis'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–2005Patents assigned to BIOTRONIK MESS & THERAPIEG (11)· patent assignee history

1979–1980Based in Brooklyn Park, MN, US· patent location history

1990Patents assigned to INSTROMEDIX INC (2)· patent assignee history

1990–2009Based in Wilsonville, OR, US· patent location history

1998–2005Based in Lake Oswego, OR, US· patent location history

2009Patents assigned to BIOTRONIK CRM PATENT AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BIOTRONIK MESS & THERAPIEG	11	1979–2005
INSTROMEDIX INC	2	1990
BIOTRONIK CRM PATENT AG	1	2009

Locations

Location	Patents	Span
Lake Oswego, OR, US	5	1998–2005
Brooklyn Park, Minnesota, US	5	1979–1980
Wilsonville, OR, US	4	1990–2009