RB

Robert C. Berfield

SV Shop Vac: 138 patents #1 of 59Top 2%
MC Mcculloch: 1 patents #20 of 34Top 60%
📍 Jersey Shore, PA: #1 of 25 inventorsTop 4%
🗺 Pennsylvania: #67 of 74,527 inventorsTop 1%
Overall (All Time): #6,502 of 4,157,543Top 1%
147
Patents All Time

Issued Patents All Time

Showing 76–100 of 147 patents

Patent #TitleCo-InventorsDate
D334972 Pressure spray washer Craig A. Seasholtz 1993-04-20
D334615 Sprayer Ronald F. Meland, Craig A. Seasholtz 1993-04-06
RE34130 Dolly frame Craig A. Seasholtz 1992-11-24
5150499 Static electric discharge for dust collector 1992-09-29
D328371 Combined wheeled liquid dispensing attachment and wand for a carpet cleaner 1992-07-28
5103526 Liquid dispensing and suctioning system for surface cleaning 1992-04-14
5079796 Nozzle assembly for a vacuum device Ronald F. Meland 1992-01-14
D316317 Combined liquid dispensing attachment and wand for a carpet cleaner 1991-04-16
5004160 Attachment system for liquid spray lance 1991-04-02
D315235 Housing for vacuum cleaner motor Ronald F. Meland 1991-03-05
4993457 Housing arrangement for a fluid pump and tank 1991-02-19
D314457 Basket for a sweeper, or the like Craig A. Seasholtz 1991-02-05
4984330 Nozzle assembly for a vacuum device Ronald F. Meland 1991-01-15
4984328 Drip cleaner attachment with solid cleaning concentrate 1991-01-15
D311615 Vacuum cleaner nozzle Ronald F. Meland 1990-10-23
D310746 Dolly Craig A. Seasholtz 1990-09-18
4938421 Cleaning liquid mixer for a water line, particularly for a surface cleaner Ronald F. Meland 1990-07-03
4906265 Filter and installation means for dry material filter for electric vacuum cleaner 1990-03-06
D305816 Portable blower Ronald F. Meland, Craig A. Seasholtz 1990-01-30
4880364 Portable electric blower Ronald F. Meland, Craig A. Seasholtz 1989-11-14
4858271 Wheel type vacuum cleaner Ronald F. Meland 1989-08-22
4838838 Belt driving pulley having a roughened surface to reduce noise 1989-06-13
4836753 Portable electric blower Ronald F. Meland, Craig A. Seasholtz 1989-06-06
4799285 Outlet port baffle for exhaust air 1989-01-24
4799699 Dolly frame Craig A. Seasholtz 1989-01-24