P

Inventor

ROBERTSON JOSEPH D

US8 patents
⚠️ This page may combine multiple inventors who share the name “ROBERTSON JOSEPH D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ROBERTSON JOSEPH D

3 patents
US4014462AMar 29, 1977

Scrap recovery and feed system

ROBERTSON JOSEPH D51 citations90
US4340347AJul 20, 1982

Scrap recovery system

ROBERTSON JOSEPH D23 citations79
US4030205AJun 21, 1977

Drying system for particles

ROBERTSON JOSEPH D28 citations77

(unassigned)

2 patents
US6156213ADec 5, 2000

Embedded spin-clean cartridge-type water filters

95 citations95
US5989419ANov 23, 1999

Spinner for cleaning cartridge-type water filters

97 citations95

ANACONDA CO

1 patent
US4241770ADec 30, 1980

Fueling unit apparatus

ANACONDA CO10 citations72

SPIN CLEAN PRODUCTS LLC

1 patent
US6739347B2May 25, 2004

System for spin-cleaning closed-end filter cartridges

SPIN CLEAN PRODUCTS LLC4 citations55

PROCESS CONTROL CORP

1 patent
US9494364B2Nov 15, 2016

Dryer hopper

PROCESS CONTROL CORP1 citations47