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USPTO Patent Rankings Data through Dec 31, 2025
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Robert C. Fortmann — 22 Patents

CACarter-Hoffmann: 18 patents #1 of 24Top 5%
RTRestaurant Technology: 3 patents #59 of 208Top 30%
CRCarrier Commercial Refrigeration: 1 patents #40 of 64Top 65%
Grayslake, IL: #32 of 548 inventorsTop 6%
Illinois: #3,329 of 84,256 inventorsTop 4%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Robert C. Fortmann has been granted 22 US patents while listed as an inventor at Carter-Hoffmann. The first was granted in 1988 and the most recent in November 2019. Robert C. Fortmann ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Robert C. Fortmann in Grayslake, IL, US.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
10485381 Food storage container with removable portion Frank G. Marolda 2019-11-26
10408885 Transportable warming cart Robert Cooper Bohn, Richard Paddock, Jeffrey S. Erber 2019-09-10
10258197 Modular holding cabinet Frank G. Marolda 2019-04-16
D829471 Kitchen garden cabinet Frank G. Marolda 2018-10-02
D821052 Mobile two-door food cabinet Robert Cooper Bohn 2018-06-19
D821051 Mobile single-door food cabinet Robert Cooper Bohn 2018-06-19
D821050 Mobile food cabinet Robert Cooper Bohn 2018-06-19
9126613 Movable cart Ryan Savage 2015-09-08
8695489 Food staging device Henry T. Ewald, Glenn Schackmuth, Paul G. Simmons 2014-04-15
7732738 Banquet cart including heat retention material 2010-06-08
7394042 Banquet cart including heat retention material 2008-07-01
7102103 Banquet cart including heat retention material 2006-09-05
5880434 Food treatment cabinet Curtis Clarence Pinnow, Charles Hunckler, Lawrence G. Banovez 1999-03-09
5852967 Food treatment system Jeffrey S. Erber, Lawrence G. Banovez 1998-12-29
5421481 Self-biasing system Lawrence G. Banovez 1995-06-06
5087364 Liquid control assembly Curtis Clarence Pinnow, Louis Porcaro 1992-02-11
5025132 Microprocessor controlled food treatment cabinet with flash steamer and compensating humidity control routines Curtis Clarence Pinnow, Gustav Kuschewski, William A. Joseph, Jr. 1991-06-18
4891498 Food treatment cabinet with flash steamer Curtis Clarence Pinnow 1990-01-02
4834470 Food service cabinet with self-closing door Curtis Clarence Pinnow 1989-05-30
4835368 Food treatment cabinet with flash steamer Curtis Clarence Pinnow 1989-05-30
4832422 One-piece drawer with integral guide structure 1989-05-23
4776317 Cabinet for treatment of bulk food items Curtis Clarence Pinnow 1988-10-11