Inventor

Haregoppa S. Gopalakrishna

Inventor

Woodbury, MN, US

Overview

6→

Patents

1992–2000

Patent span

Performing operations

Primary field (CPC B)

Patents· 6 as inventor

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

B29Cprimary

B29CShaping or joining of plastics27%

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general20%

B23KSoldering or unsoldering13%

G10KSound-producing devices13%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts7%

E04BGeneral building constructions7%

E04HBuildings or like structures for particular purposes7%

G02BOptical elements, systems or apparatus7%

PatentTitleYear

6,059,923'Rotary acoustic horn with sleeve'2000 5,922,170'Hollow vibrational horn'1999 5,875,589'Structures having damped floors and a method of damping floors'1999 5,707,483'Rotary acoustic horn'1998 5,645,681'Stacked rotary acoustic horn'1997 5,159,653'Optical fiber splice'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1999Patents assigned to MINNESOTA MINING & MFG (5)· patent assignee history

1992–2000Based in Woodbury, MN, US· patent location history

2000Patents assigned to 3M INNOVATIVE PROPERTIES CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MINNESOTA MINING & MFG	5	1992–1999
3M INNOVATIVE PROPERTIES CO	1	2000

Locations

Location	Patents	Span
Woodbury, Minnesota, US	6	1992–2000