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Class Information
Number: 222/368
Name: Dispensing > With discharge assistant (e.g., impeller, pump, conveyer, movable trap chamber, etc.) > Movable or conveyer-type trap chamber > Rotary conveyer-type trap chamber > Single inlet-outlet
Description: Dispensers in which the trap chamber or each trap chamber of the group has a single opening which serves both for inlet from the supply and for discharge.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5220825 |
Apparatus for collecting particulate samples |
Jun. 22, 1993 |
| 5211968 |
Dough dividing machine |
May. 18, 1993 |
| 5209277 |
Apparatus for non-damaging packaging |
May. 11, 1993 |
| 5201441 |
Rotary feeder with improved seal arrangement between the lateral rotor disk and the pertaining bearing cover |
Apr. 13, 1993 |
| 5189965 |
Granular materials applicator |
Mar. 2, 1993 |
| 5186366 |
Ground coffee dispenser utilizing a metering trap chamber |
Feb. 16, 1993 |
| 5161717 |
Spin casting of silicon wafers |
Nov. 10, 1992 |
| 5150758 |
Rotary receptacle scale |
Sep. 29, 1992 |
| 5129554 |
Catch-in prevention rotary valve |
Jul. 14, 1992 |
| 5123572 |
Coffee grinder dump cylinder |
Jun. 23, 1992 |
| 5114053 |
Rotary feeder for granulated bulk material |
May. 19, 1992 |
| 5109893 |
Vacuum fill system |
May. 5, 1992 |
| 5097988 |
Device for weighing free-flowing or strewable solid material, in particular granular or powdered material, during throughflow |
Mar. 24, 1992 |
| 5076317 |
Rotor handling system for rotary valves |
Dec. 31, 1991 |
| 5072687 |
Absorbent product for personal use |
Dec. 17, 1991 |
| 5065905 |
Hardware delivery system |
Nov. 19, 1991 |
| 5063863 |
Tree fertilizing tool using an auger and measuring means |
Nov. 12, 1991 |
| 5054934 |
Sanitary dispenser |
Oct. 8, 1991 |
| 5052288 |
Apparatus for dispensing snack foods |
Oct. 1, 1991 |
| 5037014 |
Rotary feeder |
Aug. 6, 1991 |
| 5025951 |
Electronic seed rate system for a grain drill |
Jun. 25, 1991 |
| 5024173 |
Clutch for chemical dispenser for planter |
Jun. 18, 1991 |
| 5018648 |
Cylinder discharge |
May. 28, 1991 |
| 5014885 |
Apparatus for feeding bulk material |
May. 14, 1991 |
| 5012958 |
Apportioning unit for a filling system for the filling of food cans |
May. 7, 1991 |
| 5009551 |
Material handling system and control valve therefor |
Apr. 23, 1991 |
| 5002084 |
Quick clean rotary valve |
Mar. 26, 1991 |
| 4989759 |
Instant coffee and dry product dispenser |
Feb. 5, 1991 |
| 4986455 |
Arrangement for supplying and dosing loose filling material |
Jan. 22, 1991 |
| 4976378 |
Feed metering mechanism |
Dec. 11, 1990 |
| 4964535 |
Dispensing apparatus |
Oct. 23, 1990 |
| 4957219 |
Measuring and dispensing cap |
Sep. 18, 1990 |
| 4948017 |
Rotary feeder |
Aug. 14, 1990 |
| 4946078 |
Apparatus for feeding bulk material |
Aug. 7, 1990 |
| 4932568 |
Tip-over drum |
Jun. 12, 1990 |
| 4928858 |
Metering device for seed or fertilizer |
May. 29, 1990 |
| 4919071 |
Dry toner removable developing cartridge |
Apr. 24, 1990 |
| 4915265 |
Apparatus for feeding bulk material |
Apr. 10, 1990 |
| 4911340 |
Arrangement in an injection mechanism |
Mar. 27, 1990 |
| 4906144 |
Eccentric rotary feeder and pressurized pneumatic conveying system |
Mar. 6, 1990 |
| 4899908 |
Vending machine for dispensing heated peanuts |
Feb. 13, 1990 |
| 4892233 |
Dispensing apparatus |
Jan. 9, 1990 |
| 4867351 |
Machine for filling receptacles with flowable materials |
Sep. 19, 1989 |
| 4863076 |
Particulate material feeder utilizing vibration and aeration |
Sep. 5, 1989 |
| 4830043 |
Improvement in rotary valves |
May. 16, 1989 |
| 4828143 |
Article dispenser |
May. 9, 1989 |
| 4823993 |
Bucket wheel gate for dispensing granulated bulk material |
Apr. 25, 1989 |
| 4805811 |
Dosage device |
Feb. 21, 1989 |
| 4804111 |
Mechanism for metering solid materials which flow in a manner similar to liquids |
Feb. 14, 1989 |
| 4784298 |
Apparatus for feeding bulk material |
Nov. 15, 1988 |
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