Inventor
Ronald W. Gerdes
Inventor
St. Paul, MN, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B06Bprimary
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general11%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling6%
B22DCasting of metals6%
B22FWorking metallic powder6%
B29CShaping or joining of plastics6%
C22CAlloys6%
G10KSound-producing devices6%
E04BGeneral building constructions5%
PatentTitleYear
10,669,211Acoustically active articles202010,352,210Acoustic device20199,922,634'Sound insulation constructions and methods of using the same'20187,980,536'Mount for vibratory elements'20117,820,249'Ultrasonic energy system and method including a ceramic horn'20107,744,729'Ultrasonic energy system and method including a ceramic horn'20107,731,823'Ultrasonic energy system and method including a ceramic horn'20107,718,022'Resonant nodal mount for linear ultrasonic horns'20107,297,238'Ultrasonic energy system and method including a ceramic horn'20077,243,894'Mount for vibratory elements'20076,126,360'Raised retroreflective pavement marker'20005,974,757'Privacy enclosure'19995,922,170'Hollow vibrational horn'19995,813,180'Privacy enclosure'19985,658,656'Use of materials comprising microbubbles as acoustical barriers'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–1999Patents assigned to MINNESOTA MINING & MFG (3)· patent assignee history
1997–2020Based in St. Paul, MN, US· patent location history
1999–2020Patents assigned to 3M INNOVATIVE PROPERTIES CO (12)· patent assignee history
2018Patents assigned to GERDES RONALD W (1)· patent assignee history
2018Patents assigned to NELSON BRIAN L (1)· patent assignee history
2020Patents assigned to 3M INNOVATIVE PROPERTIES COMPNAY (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 12 | 1999–2020 |
| MINNESOTA MINING & MFG | 3 | 1997–1999 |
| 3M INNOVATIVE PROPERTIES COMPNAY | 1 | 2020 |
| GERDES RONALD Wself | 1 | 2018 |
| NELSON BRIAN L | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Paul, Minnesota, US | 15 | 1997–2020 |