Patents & Publications

Issued Patents By Robert Todd Swinderman as of November 2011

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

Document

Document Title

4359150

Differential wear conveyor belt scraper blade   

4402422

Scraper for conveyor belts   

4573567

Modular conveyor belt sealing system   

4598823

Arm for a conveyor belt cleaner  

4625521

Conveyor belt cleaner and tensioner assembly   

4643293

Conveyor housing access port   

4826118

Conveyor belt cleaner and tensioner assembly   

4874082

Stringer of a belt conveyor system  

4898272

Constant angle and pressure conveyor belt cleaner and tensioner   

4917231

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

4925434

Catenary conveyor belt support apparatus   

4927003

Support for an appliance leg or the like   

4944386

Constant angle conveyor belt cleaner   

4953689

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

5048669

Conveyor belt cleaner scraper blade with sensor   

5088965

Conveyor belt training idler with a locking mechanism   

5378202

Removable access door with multiple pivot axes   

5467866

Conveyor impact pillow   

5704167

Tensioning device   

5799918

Scraper blade for a conveyor belt cleaner  

6374990

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

6374991

Conveyor belt cleaner system and method of manufacturing same   

6401911

Bracket for bulk material transfer systems and method of using the same   

6439373

Elastomeric retaining devices for joining elements   

6457575

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

6575292

Constant angle and pressure conveyor belt cleaner and tensioning arrangement   

6575294

Conveyor belt cleaner   

6591969

Conveyor belt cleaner system and method of manufacturing same   

6695131

Conveyor belt cleaner 

6966430

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

6986418

Exteriorly mounted wear liner for bulk material conveyor belt systems   

7131525

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

7216756

Conveyor skirt board, clamp and mounting arrangement   

7308980

Bulk material conveyor belt loading zone and method of loading a bulk material conveyor belt  

7367443

Bulk material handling system   

7370750

Bulk material handling system and control   

7424945

Bulk material handling system   

7472784

Radial tensioner   

7556140

Closure for a container cover  

7669708

Bulk material handling system and control   

7735620

Method of adjusting conveyor belt scrapers and open loop control system for conveyor belt scrapers   

7740126

Bulk material handling system   

7740127

Bulk material handling system   

7775341

Bulk material handling system and control   

7779987

Method for distributing a conveyor belt cleaner   

7837030

Conveyor belt guard panel blank having integrally formed handles and method of forming a conveyor belt guard panel   

7866457

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

7967129

Bulk material conveyor belt scraper having a dust skirt and method of using the same   

7971705

Vibrator mounting arrangement   

8006830

Heated conveyor belt cleaner   

8028819

Conveyor belt cleaner scraper blade with sensor and control system therefor

8037997

Torsiconal tensioning device   

8069971

Liquid nitrogen distribution system   

8205741

Conveyor belt skirt assembly   

8267239

Conveyor belt cleaner   

8408385

Conveyor belt support mechanism   

8474608

Conveyor belt idler assembly   

8573384

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

9139367

Air supported conveyor with multipressure plenum system   

9409713

Conveyor belt cleaner   

9416810

Conveyor belt cleaner scraper blade with sensor and control system therefor   

D543670

Conveyor belt cleaner scraper blade with sensor and control system therefor   

D547523

Conveyor belt cleaner scraper blade with sensor and control system therefor   

D608519

Field adjustable seal   

D617521

Conveyor belt cleaner scraper blade with sensor and control system therefor   

D793231

Conveyor belt cleaner scraper blade with sensor and method of manufacture   

Publications by
R. Todd Swinderman, PE

Books 


Belt Conveyors for Bulk Materials, Sixth Edition, published by Conveyor Equipment Manufacturers Association (CEMA), Naples FL, 2005. (Editor and Chair of the CEMA Book Committee)

FOUNDATIONS3: The Practical Resource for Total Dust & Material Control, Swinderman, R. Todd, Larry J. Goldbeck, and Andrew D. Marti,published by Martin Engineering, Neponset IL, 2002.

FOUNDATIONS2: The Pyramid Approach To Control Dust and Spillage From Belt Conveyors, Swinderman, R. Todd, Larry J. Goldbeck, Richard P. Stahura, and Andrew D. Marti,published by Martin Engineering, Neponset IL, 1997.

Conveyor Transfer Stations: Problems And Solutions, Sabina, William E, Richard P. Stahura, and R. Todd Swinderman,published by Martin Engineering, Neponset, IL, 1984.

FOUNDATIONS: Conveyor Transfer Point Design and Construction; Swinderman, R. Todd, Steven L. Becker, Larry J. Goldbeck, Richard P. Stahura, and Andrew D. Marti,published by Martin Engineering, Neponset IL, 1981. 


Articles


“Bulk Material Science and Improving Power Plant Coal Handling,”  R. Todd Swinderman, P.E. and Andy Marti, Energy-Tech.com, September 2008


“Cost Effective Technologies to Control Dust and Fugitive Material”  in Bulk Solids Handling “Open Pit Mining Edition 2005, November 2005.


“Wear Life of Polyurethane Conveyor Belt Cleaners,” Bulk Solids Handling, October 2000.


“Belt Cleaners, Skirting and Belt Top Cover Wear,” Bulk Solids Handling, November 1995.

“Engineering your belt conveyor transfer point,” Powder and Bulk Engineering, July 1994.

“The Conveyor Drive Power Consumption of Belt Cleaners,” Bulk Solids Handling, May 1991.

“Considerations on the use of repaired polyurethane wear parts,” Mining Engineering, March 1991.


“Using flow aid devices to create combined-flow silos,”  Powder and Bulk Engineering, November 1990.


“Using the Concept of Combined Flow in Bulk Solids Handling,” Plant Engineering, May 1986.

“Martin Engineering:  A Company Profile,”  Bulk Solids Handling, March 1985.​


Conference Papers & Presentations


New Conveyor Architecture White Paper, 2/15/09 for PRB Coal Users Group, May 12-14, 2009 Rosemont, Illinois, Dust Accumulation Resistant Conveyor Structure

“Advancements in Systems for Washing and Drying Conveyor Belts,” presented at 2006 SME Annual Meeting, St. Louis, March 2006; published in Bulk Material Handling by Conveyor Belt #6, SME, 2006.  


“Cost Effective Technologies to Control Dust and Fugitive Material,”  presented at BeltCon 13 Conference, South Africa, August 2005.

 “A Standard for the Specification of Belt Cleaning Systems Based on Performance” SME Annual Meeting 2004, Denver published in. Bulk Material Handling by Conveyor Belt #5, SME, 2004.

“Opportunities for Improving Conveying in Lignite Mines,” Lignite Days, Belchatow, Poland, April 2002.

“Conveyor Belt Impact Cradles: Standards and Practices” presented at 2002 SME Annual Meeting, Phoenix, February, 2002. Published in Material Handling by Conveyor Belt #4, SME, 2002.


“Air Supported Conveyors for Bulk Solids,”   presented at Bulk Transport 2001, New Orleans, November 2001.


“Opportunities for Improvement in Conveying for Open Cast Mines,”  Mining Indonesia Conference 2001, Jakarta, Indonesia, November 2001.

 “Conveyor Belt Impact Cradles: Current North American Standards and Practices,” Seventh International Conference on Bulk Materials Storage, Handling & Transportation, Wollongong Australia, October 2001.

“The New CEMA,” Seventh International Conference on Bulk Materials Storage, Handling & Transportation, Wollongong Australia, October 2001.

“Conveyor Belt Wear,” MIBRAG Technical Luncheon, November 1996.

“Cleaner and Safer Conveyor Belt Technology, Presentation to Distributors, October 1996.


“Belt Cleaners and Belt Top Cover Wear,”   Fifth International Conference on Bulk Materials Storage, Handling & Transportation, Wollongong Australia. August 1995.

“The State Of The Art in Conveyor Transfer Points,” National Convention of Thermal Power Engineers, India, January 1994.

“Power Requirements for Conveyor Accessories,” Fourth International Conference on Bulk Materials Storage, Handling & Transportation, Wollongong Australia, August 1992.

“Combined Flow: Considerations on Design of Silos and Selection of Flow Aid Devices,” Powder & Bulk Solids Conference and Exhibition, Chicago, June 1990.

“A Preliminary Investigation into the Effects of Air Cannon Discharge on Concrete and Steel Structures,”  IFAA Technical Paper, 1987  co-author.

“Combined Flow – An Economically Viable Alternative for 100% Live Storage,” Chemical Processing Conference, New York, NY, 1985.


Miscellaneous Publications


CEMA 550 – Committee chairman for updating the standards for the classification of bulk solids.

CEMA 575-2000 – Committee chairman for writing new standard on impact cradles.


“Dust Eliminated by Belt Cleaners,”  July 2008


“Air Tensioners vs. Spring Tensioners,” March 1991.

“Power Requirements for Belt Cleaning Devices a Quick Method,” January 1991.

“DURT, The Movie,”  20 Minute noncommercial video on the problems of dust and spillage in bulk material handling.  1989.

“Additional Power Requirements for GUARDABELT® Systems,” May 1988.

“Conveyor Transfer Stations Problems and Solutions,” 1988.


“Application and Mounting of Air Cannons,”   July 21, 1987.

“Measurement and Control of Spillage and Leakage at Conveyor Transfer Stations,”  January 1986.

“A Review of Flow Aids and Mass Flow,”  1984.