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Issued Patents By Robert Todd Swinderman as of November 2011

Listed below are the US Patents.  In many cases there are corresponding foreign patents. 

8,037,997

53

Bulk material handling system and control

8,028,819

52

Constant pressure and variable cleaning angle scraper blade and method for designing same

8,006,830

51

Exteriorly mounted wear liner for bulk material conveyor belt systems

7,971,705

50

Apparatus for and method of servicing conveyor belt return rollers during belt operation

7,967,129

49

Conveyor belt training idler with a locking mechanism

7,866,457

48

Conveyor belt cleaner scraper blade with sensor and control system therefor

7,837,030

47

Apparatus for and method of mounting and locking devices to conveyor belt systems

7,779,987

46

Device for and method of sampling the amount of carryback material transferred by a bulk material belt conveyor system

7,775,341

45

Bulk material handling system

7,740,127

44

Bulk material handling system

7,740,126

43

Bulk material handling system

7,735,620

42

Dust buildup resistant access door and door frame of a bulk material handling system

D617,521

41

Stringer of a belt conveyor system

7,669,708

40

Bulk material handling system and control

D608,519

39

Dust cap for a support column of a bulk material belt conveyor

7,556,140

38

  Bulk material handling system

7,472,784

37

Conveyor belt cleaner scraper blade with sensor and control system therefor

D547,523

36

Arm for a conveyor belt cleaner

7,424,945

35

Conveyor belt cleaner replaceable scraper blade tip and pocket and method of manufacturing same

D543,670

34

Scraper blade for a conveyor belt cleaner

7,370,750

33

Conveyor belt cleaner system and method of manufacturing same

7,131,525

32

Conveyor belt cleaner scraper blade with sensor and control system therefor

7,367,443

31

Conveyor belt cleaner system and method of manufacturing same

6,986,418

30

Conveyor belt cleaner scraper blade with sensor and control system therefor

7,308,980

29

Method for distributing a conveyor belt cleaner

6,966,430

28

Air supported conveyor with multipressure plenum system

7,216,756

27

Constant angle and pressure conveyor belt cleaner and tensioner

5,048,669

26

Modular conveyor belt sealing system

6,695,131

25

Catenary conveyor belt support apparatus

4,953,689

24

Conveyor belt cleaner

6,591,969

23

Conveyor belt cleaner scraper blade with sensor and method of manufacture

4,944,386

22

Scraper for conveyor belts

6,575,294

21

Conveyor belt skirt assembly

4,927,003

20

Heated conveyor belt cleaner

6,575,292

19

Conveyor belt cleaner and tensioner assembly

4,917,231

18

Constant angle conveyor belt cleaner

6,457,575

17

Self-locking pin mounting arrangement for conveyor belt cleaner scraper blades

4,874,082

16

Conveyor skirt board, clamp and mounting arrangement

6,439,373

15

Constant angle and pressure conveyor belt cleaner and tensioning arrangement

4,643,293

14

Conveyor belt cleaner

6,401,911

13

Differential wear conveyor belt scraper blade

6,374,991

12

Conveyor belt cleaner and tensioner assembly

4,598,823

11

Conveyor belt cleaner

6,374,990

10

Conveyor belt cleaner scraper blade with sensor

4,573,567

9

Conveyor housing access port

5,799,918

8

Vibrator mounting arrangement

5,704,167

7

Removable access door with multiple pivot axes

4,359,150

6

Conveyor belt cleaner

5,467,866

5

Conveyor impact pillow

5,378,202

4

Tensioning device

5,088,965

3

Radial tensioner

4,925,434

2

Torsional tensioning device

4,898,272

1

Conveyor belt support mechanism

RToddS™ Engineering LLC 54 Ocean St., Palm Coast, Fl 32136 Ph: 386•589•4384 • Fax :724•647•0076
rtodds.eng@gmail.com • www.rtodds-eng.com

Patents