Growing community of inventors

McHenry, IL, United States of America

Janet Ratajczak

Average Co-Inventor Count = 3.27

ph-index = 6

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 244

Janet RatajczakPaul H Hanifl (2 patents)Janet RatajczakLawrence G Ponsi (2 patents)Janet RatajczakBritta Pukall (2 patents)Janet RatajczakDonald R Harreld (2 patents)Janet RatajczakBeat J Moser (2 patents)Janet RatajczakJohn J Newton, Jr (1 patent)Janet RatajczakJohn L Posey (1 patent)Janet RatajczakDavid C McDonough (1 patent)Janet RatajczakJoseph Kus (1 patent)Janet RatajczakJanet Ratajczak (6 patents)Paul H HaniflPaul H Hanifl (49 patents)Lawrence G PonsiLawrence G Ponsi (36 patents)Britta PukallBritta Pukall (33 patents)Donald R HarreldDonald R Harreld (11 patents)Beat J MoserBeat J Moser (3 patents)John J Newton, JrJohn J Newton, Jr (13 patents)John L PoseyJohn L Posey (11 patents)David C McDonoughDavid C McDonough (5 patents)Joseph KusJoseph Kus (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sage Products, Inc. (4 from 234 patents)

2. Medela Holding Ag (2 from 269 patents)


6 patents:

1. D459075 - Saddle bag attachment and related carrying case

2. D457307 - Backpack for a breast pump

3. 5833928 - Specimen transporting and processing system

4. 5431884 - Specimen transporting and processing system

5. 5388699 - Dual pocket specimen collection package

6. 5312009 - Liquid specimen collector with removable extraction device

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as of
12/18/2025
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