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 101–125 of 147 patents

Patent #TitleCo-InventorsDate
4797072 Portable electric blower Ronald F. Meland, Craig A. Seasholtz 1989-01-10
4747179 Nozzle with improved coupling for a vacuum device 1988-05-31
D294879 Housing for a vacuum cleaner motor Craig A. Seasholtz 1988-03-22
D294413 Vacuum cleaner hose J. Scott Kriner 1988-02-23
D294414 Vacuum cleaner hose J. Scott Kriner 1988-02-23
4719664 Swivable caster 1988-01-19
4709436 Debris pan for rotary brush sweeper Craig A. Seasholtz, Richard M. Fegan 1987-12-01
4705282 Vehicle with readily mountable steering handle 1987-11-10
4701969 Rotary brush sweeper with easily separable debris pan Craig A. Seasholtz, Richard M. Fegan 1987-10-27
4683608 Alternate blower outlet for vacuum cleaner Ronald F. Meland 1987-08-04
D290055 Sweeper R. Lent Crevling, Jr., Ronald F. Meland, Richard M. Fegan 1987-05-26
D289933 Sweeper Craig A. Seasholtz, Richard M. Fegan 1987-05-19
4658458 Rotary brush sweeper with mechanism for brush height adjustment R. Lent Crevling, Jr., Ronald F. Meland, Richard M. Fegan 1987-04-21
4655694 Housing assembly for motor/fan means of a wet/dry vacuum cleaner 1987-04-07
4650200 Dolly with tank holding device Robert L. Crevling, Jr., Donald G. Rightnour 1987-03-17
D288763 Tool holder John S. Kriner 1987-03-17
4642841 Hand held vacuum cleaner Richard M. Fegan 1987-02-17
4640521 Dolly with tank latch 1987-02-03
D287895 Motor housing for canister type electric vacuum cleaner Ronald F. Meland, Robert L. Crevling, Jr. 1987-01-20
4635951 Dolly bumper Robert L. Crevling, Jr. 1987-01-13
D287658 Motor housing for canister type electric vacuum cleaner Ronald F. Meland, Robert L. Crevling, Jr. 1987-01-06
D287171 Motor housing for canister type electric vacuum cleaner Ronald F. Meland, Robert L. Crevling, Jr. 1986-12-09
4623366 Grid element for lid of a cannister type vacuum cleaner Rudolph W. Wacek, Craig A. Seasholtz 1986-11-18
4621849 Bumper for wheel well 1986-11-11
D286336 Tank for electric vacuum cleaner Robert L. Crevling, Jr. 1986-10-21