LexDanaLexDanabeta
Inventor

Michael J. Protas

Inventor
Crystal, MN, US

Overview

5→
Patents
2000–2006
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F16Lprimary
F16LPipes36%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general27%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling9%
LOC089%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
7,052,052'Sealing gasket for a clamp'20066,311,736'Flexible hose and method for manufacturing'20016,234,541'U-bolt clamp for sealing lap joints'2001D0436028'U-bolt clamp'20016,123,369'Pipe lap joint and methods'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2006Patents assigned to DONALDSON CO INC (5)· patent assignee history
2000–2001Based in Crystal, MN, US· patent location history
2001Based in Golden Valley, MN, US· patent location history
2006Based in Robbinsdale, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DONALDSON CO INC52000–2006
Locations
LocationPatentsSpan
Crystal, Minnesota, US22000–2001
Golden Valley, Minnesota, US22001
Robbinsdale, Minnesota, US12006