Inventor

William P. Trumble

Inventor

Kanata, CA

Overview

18→

Patents

1981–2001

Patent span

Electricity

Primary field (CPC H)

Patents· 18 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification13%

H05KPrinted circuits10%

H01CResistors8%

H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines8%

H02HEmergency protective circuit arrangements8%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%

B23KSoldering or unsoldering5%

B27KProcesses, apparatus or selection of substances for impregnating, staining, dyeing, bleaching of wood or similar materials, or treating of wood or similar materials with permeant liquids, not otherwise provided for5%

G02BOptical elements, systems or apparatus5%

H10DInorganic electric semiconductor devices5%

PatentTitleYear

6,313,412'Method of assembling substrates and electronic components'2001 6,162,508'Molybdenum phosphate based corrosion resistant conversion coatings'2000 6,091,814'Stiffening elements for a polymeric telephone base'2000 5,981,871'Electronics enclosures'1999 5,545,494'Environmental protectors for electronics devices'1996 5,422,779'Packaged solid-state surge protector'1995 5,155,649'Surge protector for telecommunications equipment'1992 4,939,619'Packaged solid-state surge protector'1990 4,918,885'Method and apparatus for inhibiting ice mass formation'1990 4,851,956'Packaged solid-state surge protector'1989 4,847,002'Improved stabilization of wood preservative solutions and preservation of wood by such solutions'1989 4,784,877'Two layer coating of an optical waveguide'1988 4,670,298'Fluorescent solder paste mixture'1987 4,567,115'Pressure impregnation of wood poles for preservation'1986 4,441,213'Flexible tear resistant protective glove for use on high voltage systems'1984 4,392,014'Telephone cable splices'1983 4,291,094'Pulp insulation repair'1981 4,254,865'Protective package for an optical fiber splice'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1996Patents assigned to NORTHERN TELECOM LTD (11)· patent assignee history

1981–2001Based in Kanata, CA· patent location history

1986–1990Patents assigned to BELL CANADA (3)· patent assignee history

1992Based in Ontario, CA· patent location history

1999Patents assigned to NORTLE NETWORK CORP (1)· patent assignee history

2000–2001Patents assigned to NORTEL NETWORKS LTD (2)· patent assignee history

2000Patents assigned to NORTEL NETWORKS CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NORTHERN TELECOM LTD	11	1981–1996
BELL CANADA	3	1986–1990
NORTEL NETWORKS LTD	2	2000–2001
NORTEL NETWORKS CORP	1	2000
NORTLE NETWORK CORP	1	1999

Locations

Location	Patents	Span
Kanata, CA	17	1981–2001
Ontario, CA	1	1992